Finding sable on Hokkaido

I’m sitting at the New Chitose Airport waiting to leave the island of Hokkaido, Japan after a weeklong animal-finding trip. There is lots of information online about travelling around and finding animals on Hokkaido, which I used to great advantage before coming here. For the most part I don’t think I have anything useful to add to all the information out there. Jon Hall’s report from this past January was particularly useful to me but included the frustrating news that there was no longer a reliable site in Hokkaido (or anywhere) for sable (Martes zibellina).

A few days ago, to my surprise and by sheer luck, I was able to see two sable over the course of a single evening! The first was at a private residence, but the second was at a nearby guesthouse where I was staying, Papilio. In both cases the sables were attracted to bird feeders and seemed pretty habituated. The sable at Papilio seemed particularly fond of suet, because it was dangling from the suet feeder when I first went to look for animals just after dark, and there again when I went out again at 11pm to try for a second time to find flying squirrels (I failed to find the squirrels*). All in all, the sable was present around the guesthouse more-or-less continuously from about 7:30pm to 11:30pm. Therefore, though I realize I only have a single evening of data, I think that anyone planning on going to Hokkaido who would like to see sable would be well advised to consider booking a night or two at Papilio Guesthouse.

I also saw Sika deer, red fox, and Eurasian red squirrel as well as plenty of excellent birds. If you want a guide to help you find animals on Hokkaido I highly recommend Mark Brazil.

*I wish I had known last week what I found online just now: flying squirrel tours in Hokkaido at Lodge Lucky Field!

Finding Mammals around Hobart, Tasmania

I recently had an interesting experience in Tasmania. I was there for work, and I had to work every morning at the University of Tasmania, but then I had my afternoons and evenings free. The result was that I had lots of free time in which I could go searching for interesting animals – and Tasmania is excellent for wild mammals in particular – but I was tethered to Hobart, having to be back in the lab every morning. I stayed with some ecologist friends and they gave me many good tips and pointers for where to go in and around Hobart, which I thought I could share here.

Despite their ubiquity, it can be hard to get a picture of a pademelon that is not it hopping away.

Tasmanian Pademelon

For me, this is by far the easiest mammal to find in and around Hobart. Any grassy area is likely to have a pademelon or 20 grazing on it after dusk, and taking a flashlight and wandering around just about anywhere except the downtown core is likely to produce a pademelon sooner or later. For some concrete locations, try the Mount Nelson Signal Station or the Waterworks Reserve. I saw enough pademelons to qualify as a plague on the grassy slope that forms the dam wall at Waterworks.

A Bennett’s wallaby greets us upon arriving home after a night of spotlighting for animals in a nearby reserve.

Bennett’s Wallaby

Also common in and around Hobart, anywhere you’re likely to come across padymelons you’re also likely to see Bennett’s, though they are a little thinner on the ground. I saw maybe one Bennett’s for every ten padymelons. If I had to recommend one particular place, I’d say try the Waterworks reserve, particularly the grassy slope dam wall.

Long-nosed Potoroo

Hard to see anywhere, but apparently becoming more common on Bruny Island. I saw one driving the roads of North Bruny after dusk.

Eastern Bettong

Not the easiest animal to come across, but I saw two both times I visited the Truganini Reserve (walking in from the Mount Nelson Signal Station) after dark. I never saw them anywhere else, although someone I know saw one on the Mount Nelson oval while spotlighting.

A “Golden” phase brushtail possum seen near the Mt Nelson Signal Station.

Brushtail Possum

Australia’s version of a raccoon, they were common everywhere in suburbia, including suburban parks and bushland. Walking around suburbia at night is likely to produce at least one before long.

Tasmanian brushies are famous for their unusual colours, but unusually coloured ones are the minority. Most of the brushies I saw were the normal grey colour. If it’s unusually coloured ones you’re after, I think the black ones were most common at Knocklofty Reserve, while I saw a white one (aka “Golden Possum”) in the Truganini Reserve on one visit and across the street from the entrance (climbing a telephone pole outside someone’s house) on another.

A ringtail possum at the Knocklofty Reserve

Ringtail Possum

Common, although less so than the brushies. Searching any suburban bushland around Hobart should produce one eventually. I think I encountered them at the highest density at Knocklofty Reserve.

Krefft’s (formerly Sugar) Glider

Sparse but findable, I saw a least one per evening spotlighting at Truganini, Knocklofty, and Waterworks reserves.

Bare-nosed Wombat

Present, but in low numbers, around Hobart, and I don’t know of anywhere to see them in the immediate area. The closest place I know of would be Maria Island, where they are as close to guaranteed as any wild animal can be.

Platypus

The only place I know of around Hobart is the pool by the Cascade Brewery (-42.897011, 147.290514). I didn’t see it there, but I only waited a minute or so. Give it a couple hours, at least, if you really want to see it.

Eastern Barred Bandicoot

The more common of the two bandicoots in the area, they are findable at a lot of places, however the easiest place I know of to see them was the Mount Nelson oval, where they come out after dusk (and after any evening dogwalkers have gone home) to forage on the grass. A spotlight around the oval should produce several.

Southern Brown Bandicoot

I only saw one around Hobart, at the Knocklofty Reserve.

A dusky antechinus foraging in the Inala Jurassic Garden

Dusky Antechinus

The only place I know of in the area with a good chance of seeing on is the Jurassic Garden at the Inala Reserve on Bruny Island. The garden is predator-proofed and this seems to have given the small mammals a reprieve. The one I saw was a real chonker and wandered around in broad daylight.

Swamp Antechinus

Again, easiest at Inala Reserve on Bruny Island. However, I’ve been told they are more common in the predator-proofed area that surrounds the Inala Cottage than the Jurassic Garden, so it might be worth booking a night in the cottage if you really want to see one.

Velvet-furred Rat

Apparently common in the Jurassic Garden at Inala, though I didn’t manage to see it in my (admittedly very short) 10 minute visit.

Eastern Quoll

Famously easy to see on Bruny Island, particularly North Bruny. A night of spotlighting the roads around North Bruny can easily produce double-digit numbers of them.

Spot-tailed Quoll

I’ve never seen any around Hobart, but someone mentioned to me that the tourist area at the top of Mt Wellington is a good spot for them. Apparently they come out after dark to forage through the trash bins.

Tasmanian Devil

Present around Hobart but in extremely low numbers. The closest place with a good chance of seeing them is Maria Island, where apparently there is a den under the tourist accommodation block. However, note they are introduced, not native, on Maria.

The closest place with at least a passable chance of seeing a native devil is the Tasman Peninsula, where diseased devils were removed and then healthy devils reintroduced. Someone I know was looking for masked owls and saw one cross a road on the peninsula (I didn’t get the precise location).

Thylacine

Extinct, but ubiquitous around Hobart in artwork, street art, branding, and licence plates. Any visitor to Hobart will see them everywhere.

Finding Native Animals on Mauritius

I was pretty sick throughout my visit to Mauritius, and could barely muster up the energy to go searching for animals, let alone take pictures of them. All the pictures below were kindly provided by Drs James Baxter-Gilbert and Julia Riley.

I was in Mauritius recently, invited by a friend to add a neural dimension to his research exploring how invasive toads evolve in their new environments. We were all dedicated animal enthusiasts, so we took advantage of being in Mauritius to try and track down as many of the native animals as possible. Turns out, that isn’t so easy.

An old friend of mine, Dr. James Baxter-Gilbert, was in Mauritius with a small team to research how the guttural toad, introduced by humans to the island, had adapted to their new home. He invited me to come add a brain-adaptation dimension to his project. How could I say no?

Perfusing toad brains in Pamplemousses, Mauritius, under the rigorous supervision of lead toad researcher Dr. James Baxter-Gilbert.

Perfusing toad brains in Pamplemousses, Mauritius, under the rigorous supervision of lead toad researcher Dr. James Baxter-Gilbert.

Mauritius is a small island off the east coast of Madagascar. Like most small, tropical islands, the environment on Mauritius has been devastated by humans and the invasive plants and animals that come with us. Chances are, if you just wander around Mauritius, you’ll see nothing but invasive animals and weeds. Finding the native wildlife takes effort. We put in some effort, and here’s what we found:

Mauritius is plagued by numerous introduced species, such as the boring and mundane Aldabra giant tortoise, which should definitely not distract one from the search for native wildlife.

Mammals

Mauritius has only three native species of terrestrial mammal, all bats. We didn’t go looking for any aquatic stuff.

Mauritian Flying Fox (Pteropus niger): Compared to the other fly foxes I’ve seen, this one is surprisingly day-active. As such, it’s s relatively easy animal to see, even if you don’t know where any roosts are. Relatively is the key term, though, you still have to go somewhere like the Black River Gorges National Park or Vallée de Ferney where a little forest remains. But by keeping your eyes out in places like this, it shouldn’t take long to see one fly by.

If you want a truly spectacular flying fox experience, walk down the Maccabée Trail from the Maccabée lookout to the Black River Entrance in Black River Gorges National Park. The first two kilometres of this trail are incredibly steep - I would not recommending walking it uphill - but at one point you come across a ledge you can walk out onto, and in the valley below the ledge is a huge flying fox camp. Watching from above as the giant bats circle was an incredible experience.

Mauritian Tomb Bat (Taphozous mauritianus): This is the common insectivorous bat of Mauritius, and can be seen at night hunting insects around streetlights. We saw many driving away from the airport after I arrived.

Target for next time:

Natal Free-tailed Bat (Mormopterus acetabulosus): We came very close to finding this bat, but ultimately we were exhausted after days of working and couldn’t muster up the energy to go out at dusk on our last night and try to find one of the cave openings. I found the locations where the caves are supposed to be on Google Maps, but it still would require a bit of work to actually go to the site and find the hole in the ground. That can’t be seen from a satellite image.

From a conservation perspective, this bat is an interesting oddity. At the moment, it may be the most endangered animal on the island. There are four known roosting caves, none of which are protected. Two seem to be located in densely populated suburban neighbourhoods and are apparently used as places to dump trash. At the same time, the otherwise passionate and very active conservation organizations on the island seem strangely ambivalent to the bat - most of those I talked to, including some relatively senior people - didn’t know it existed. I can’t fathom why this is, when they are so incredibly knowledgeable and mobilized when it comes to the island’s native birds and reptiles.

Part of the problem may be the insanely idiosyncratic way the bats have been named. Of the two insectivorous bats on the island, the one that is common and widespread, not only on Mauritius but also on Madagascar and the African mainland, is called the Mauritian tomb bat. In contrast, the bat that is found only on Mauritius, and even there is very rare, is named the Natal free-tailed bat. It’s named after a South African local because a vagrant individual that was collected in Natal and described as a new species before anyone realized that it was a Mauritian bat that had gotten very, very lost. So, at the end of the day we have a special, uniquely Mauritian species in desperate need of help named after a South African location, and a widespread African species named for an island that makes up a tiny, insignificant portion of its range. Not helpful from a conservation perspective, I think.

Birds

The terrestrial birds native to Mauritius that still exist today can essentially be counted on your fingers, that’s how much the place’s avifauna has been devastated. Driving around Mauritius, you’re likely to see lots of land birds: finches, corvids, doves, sparrows, etc. They’re all introduced pests. Here are the native species we managed to find:

Mascarene swiftlet (Aerodramus francicus): This is the only native bird you’re likely to just happen across, excluding waders at the right time of year. We saw it from the front porch of our house in Pomplemousses as well as at the birding hotspots of Black River Gorges National Park and Ile aux Aigrettes.

White-tailed Tropicbird (Phaethon lepturus): This spectacular bird is easily seen flying in the gorges of Black River Gorges National Park. We didn’t see it anywhere else.

Mauritius Kestrel (Falco punctatus): The most reliable place to see Mauritius kestrel is Vallée de Ferney, a privately-held reserve where a habituated pair is fed every day at noon. We missed the feeding time, but even at 3pm, without the promise of food, we saw two individuals. We also saw one at the Black River entrance to the National Park, but my impression is that they are regularly - but not reliably - seen in the park.

One of Mauritius’s spectacular and highly-promoted success stories, saving the Mauritius kestrel seems to have empowered local Mauritians to be proactive in saving their other endemic species. In particular, I was impressed with how proactively people at the Mauritian Wildlife Foundation and the Vallée de Ferney talked about saving species that are still declining. Often, people in these sorts of roles seem frustrated, downtrodden, and resigned to failure. The only other place where I have met people as enthusiastic about researching and innovating new ways to save species is New Zealand. And I think New Zealand is probably the best in the world at modern conservation.

Mauritius Kestrel (Falco punctatus)

Pink Pigeon (Nesoenas mayeri): Most easily seen at the Petrin entrance to the National Park, in what they call the “aviary”. It’s actually a cluster of feeding stations inside what used to be a closed aviary, but which has been dismantled. Also relatively easily seen, at least in flight, at the Black River entrance to the park, the Vallée de Ferney, and the Ile aux Aigrettes.

Echo Parakeet (Psittacula eques): Easily seen on the walk from the Petrin entrance of the Black River Gorges National Park to the Maccabée Lookout, after you get out of the pine tree forest and into the native forest. We didn’t see any anywhere else, including other locations in the National Park.

Mascarene Martin (Phedina borbonica): I was not prepared for how hard this species was to find. We saw a few, maybe a handful, while approaching what is just called “Viewpoint” (-20.391814, 57.434228) in Black River Gorges National Park, and a few more looking out from that Viewpoint. I think I also saw one while driving over a bridge - I don’t remember which one - so they might be findable outside the national park. But I was certainly expecting them to be more common.

Mauritius Cuckooshrike (Coracina typica): This bird, considered for a long time not to be a conservation concern, has been declining quite a bit recently. Nobody seems to know quite why, they used to be found even in forests composed entirely of “weed” species. However, the Mauritian Wildlife Foundation and the Vallée de Ferney seemed to be on the case, and are actively working on its recovery. I found a male on a guided bird tour with the Mauritian Wildlife Foundation that started from the Petrin entrance to the National Park and went along the trail to the Maccabée Lookout, but my guides were quite pessimistic we’d find one, and were ecstatic when it turned up. We watched it forage for caterpillars from a close distance for about 20min before finally moving on. I got the impression I was very lucky to have had this experience.

There is also a male with a known territory in the Vallée the Ferney and apparently you can request special sit-and-wait tours first thing in the morning just to see it.

Mauritius Bulbul (Hypsipetes olivaceus): Relatively easily seen in the Black River Gorges National Park, Vallée de Ferney, and Ile aux Aigrettes.

Mauritius Olive White-eye (Zosterops chloronothos): Hard to find on Ile aux Aigrettes, where we saw one group of four. Basically impossible to find elsewhere.

Mauritius Grey White-eye (Zosterops mauritianus): Easily found in the Black River Gorges National Park and Vallée de Ferney, otherwise sparsely distributed around the island.

Mauritius Fody (Foudia rubra): Easily found on Ile aux Aigrettes, where we saw and heard so many that eBird was sceptical. I watched one gorgeous male forage for lerp about 30 cm from my face as we waited for the boat back to the mainland. Present but hard to find in the Black River Gorges National Park.

Mauritius Fody (Foudia rubra)

Targets for next time:

Mascarene Paradise Flycatcher (Terpsiphone bourbonnensis): This bird can be seen in Black River Gorges National Park, but it is sparse and we didn’t manage to find it. Apparently it’s easier to see in the Ebony Forest Reserve but I didn’t have time to get there.

Herald Petrel (Pterodroma heraldica): One of the world’s rarer petrels, this species breeds on a least one small island off the northern tip of Mauritius. If you’re there during the breeding season, I think it would be worth asking the Mauritian Wildlife Foundation to organize a pelagic birding tour to the area to try and see it. This is a specialty tour, and you have to ask the Foundation for it specifically as they don’t advertise it on their website.

Reptiles

Telfair’s Skink (Leiolopisma telfairii): This skink is huge and definitely worth the effort to see. They aren’t common on Ile aux Aigrettes but we saw several in and around the man-made structures on the island.

Telfair’s Skink (Leiolopisma telfairii)

Ornate Day Gecko (Phelsuma ornata): The common day gecko of Mauritius, we saw many on the plants and outside walls of our accommodation, as well as everywhere else except higher elevations. They occur in basically plague numbers on Ile aux Aigrettes.

Ornate Day Gecko (Phelsuma ornata)

Blue-tailed Day Gecko (Phelsuma cepediana): The “other” common day gecko around Mauritius, we found them in small numbers amongst the ornate day geckos in the garden. Common at all elevations in Black River Gorges National Park.

Blue-tailed Day Gecko (Phelsuma cepediana)

Lowland Day Gecko (Phelsuma guimbeaui): Not easy to find, it is apparently absent from spots that used to be considered reliable for it. I saw it in two places. The first, where they appeared quite numerous, was on what’s labelled as the Plain Champagne Road on Google Maps but which people called the "Ridge Road”, between the Varangue Sur Morne restauratant and the village of Charmarel. The second, where they were significantly less numerous, was on the trail to the Macchabée Viewpoint from the Petrin entrance to the National Park, after leaving the pine forest and entering the native forest. Apparently they are partial to the invasive traveller’s palm, look for them basking on the palm stalks, below the leaves and above the trunk.

Lowland Day Gecko (Phelsuma guimbeaui)

Highland Day Gecko (Phelsuma rosagularis): The hardest of the mainland day geckos to find, we only saw it in one place, on the trail between “Viewpoint” (-20.391814, 57.434228) and the Maccabée Viewpoint. They are apparently preferential to exposed branches on trees that have grown above the canopy (which is quite low at that elevation), so a pair of binoculars will help with the search.

The guides with the Mauritian Wildlife Foundation knew some spots for them on the trail from Petrin to the Maccabée Viewpoint, but because I had seen them previously we didn’t spend much time searching for them. Beware, also, because in this area they are sympatric with the lowland day gecko. My guide even showed me a tree where she finds all three species (the blue-tails being the third found in the area).

Targets for next time:

Bojer’s Skink (Gongylomorphus bojerii): Though not present on Ile aux Aigrettes, it is present on some of the islands to the northeast of it, like Ile de la Passe. Some of these islands are also open to the public, though you have to charter a private boat to get there. Depends how much you want to spend to see a rare, small, brown skink, I guess.

It’s also present at some locations in the Black River Gorges National Park. I was told it can be found at Petrin around the picnic area and aviary, but I couldn’t find one there. The rest of the toad research team had found some at one of their research sites - not accessible to the public - before I joined them.

Bojer’s Skink (Gongylomorphus bojerii)

Günther’s Day Gecko (Phelsuma guetheri): A giant and very strange day gecko, there are small numbers of these on Ile aux Aigrettes, but they are very hard to find. Make sure to go on the extended 2hr tour, which takes you to the centre of the island, because the standard 45 min tour doesn’t go to where they’re found. Look for them on the taller knotty trees in the centre of the island, but even then they are difficult to find. When the staff find a tree with a resident Günther’s gecko, the mark the tree with what looks like a metal army tag. So search any trees you find decorated with silver metal trinkets extra thoroughly! We searched and searched and though we found many (hatched) eggs, we didn’t see any actual geckos. But on the positive side, it looks like recruitment is good, so hopefully finding them will get easier!

Hatched Günther’s gecko eggs.

Bouton’s Skink (Cryptoblepharus boutonii): This species is surprisingly rare, considering the success of the genus as a whole in colonizing small oceanic islands. There are a few spots on the mainland where they can still be found, in the rocks right in the surf. However, it sounds like they’re much easier to find on the islands, including some of the publicly accessible ones in the south-east. Unfortunately, they’re not present on Ile aux Aigrettes.

The Central African Republic, part 3

This is my third of three posts on a trip to the Central African Republic (CAR) in December 2017. The first part dealt with the (extensive) planning for the trip and my days in Bangui at the start of the trip. The second part covered the remainder of my trip, mostly my week at Sangha Lodge in the rainforest of Dzanga-Sangha National Park.

This, last of my CAR posts, is for the intense wild animal-seekers out there. It’s a list of all the mammals, birds, reptiles and amphibians I came across during my trip and any relevant notes about where they were seen and suggestions on how others might see them. I’m also including animals that I haven’t been able to properly identify, in hopes that somebody reading this might have some insight as to what these animals could be.

Mammals

I identified mammals based on Kingdon’s Mammals of African, second edition. After my trip I confirmed the IDs from my notes and pictures using the Handbook of the Mammals of the World. I assigned the animals I saw to subspecies based purely on range maps.

African Forest Elephants digging for mud in Bai Hokou.

African Forest Elephant (Loxodonta cyclotis) - Practically guaranteed at Dzanga Bai, also frequent at other bais, like Bai Hokou. Otherwise quite hard to see, even though they are present everywhere.

Southern Needle-clawed Galago (Euoticus elegantulus) - Seemed relatively common on the trails around Sangha Lodge at night. I saw three during my time there.

Demidoff’s and Thomas’s galagos are almost impossible to tell apart in the field based on physical appearance, from what I’ve heard. However, apparently they can be relatively reliably distinguished by behaviour (and by call, though I didn’t hear them make any sounds).

Demidoff’s Dwarf Galago (Galagoides demidovii anomurus) - Sangha Lodge’s owner, Rod, said these are not easy to see. I assigned one galago I saw to this species because it was foraging low in the understory of the forest, at about my eye level, and was moving by scrambling through the vine thickets.

Thomas’s Galago (Galagoides thomasi) - I assigned the rest of the galagos I saw to this species because they were high up in the forest canopy and because they would move by running along branches lengthwise and leaping from tree to tree. If I am correct in my IDs, these are fairly easy to see at night on the trails around Sangha Lodge, though you’ll need a good pair of binoculars to see anything beyond their intense eyeshine.

Milne-Edward’s Potto (Perodicticus edwardsi) - Fairly common on the trails around Sangha Lodge at night.

Moustached Monkey (Cercopithicus cephus cephus) - Common, I saw them in several places but most easily in the forest around the visitor’s centre in Dzanga-Sangha NP.

Putty-nosed Monkey (Cercopithicus nictitans nictitans) - Common and easily seen around Sangha Lodge.

Crowned Monkey (Cercopithicus pogonias grayi) - Apparently common around Sangha Lodge, but I only managed to spot them once, in a mixed group with putty-nosed monkeys.

Grey-cheeked Mangabey (Lophocebus albigena) - I saw them one morning on the hike into Dzanga Bai.

A blurry, heavily cropped picture of a western guereza at Dzanga Bai.

A blurry, heavily cropped picture of a western guereza at Dzanga Bai.

Western Guereza (Colobus guereza occidentalis) - Seen foraging on the ground at Dzanga Bai.

Mongambe, the silverback of one of the two habituated gorilla groups tourists can visit, near Bai Hokou.

Mongambe, the silverback of one of the two habituated gorilla groups tourists can visit, near Bai Hokou.

Western Lowland Gorilla (Gorilla gorilla gorilla) - Guided tours will lead you to one of two habituated groups, so sightings are almost guaranteed. I also saw an unhabituated silverback on one of the mud tracks in Dzanga-Sangha NP, which was one of the most spectacular animal sightings of my life. They’re also occasionally seen foraging in Bai Hokou.

I had a particularly hard time identifying the squirrels I saw, and I saw lots! I saw at least one individual of each of the following five species well enough to confidently ID them to species, but most that I saw went unidentified.

Striped Ground Squirrel (Euxerus erythropus limitaneus) - One seen on the roadside passing though a grassy area on the outskirts of Bayanga Village.

Thomas’s Rope Squirrel (Funisciurus anerythrus mystax) - Seen around Sangha Lodge.

Ribboned Rope Squirrel (Funisciurus lemniscates mayumbicus) - Seen around Sangha Lodge.

Red-legged Sun-squirrel (Heliosciurus rufobrachium) - Seen at Dzangha Bai.

Forest Giant Squirrel (Protoxerus stangeri eborivorus) - One seen at the visitor’s centre in Dzanga-Sangha NP.

Before arriving at Sangha Lodge I’d never heard of anomalures. When I left I’d seen half the world’s species!

It took us forever to identify this Beecroft’s anomalure.

It took us forever to identify this Beecroft’s anomalure.

Beecroft’s Anomalure (Anomalurus beecrofti) - One seen at night on the trails around Sangha Lodge.

Lord Derby’s Anomalure (Anomalurus derbianus) - Seen reliably inside a hollow tree on the Sangha Lodge property.

Lesser Cane Rat (Thryonomys gregorianus) - One seen running across the road on the outskirts of Bayanga at sunset.

As with the squirrels, most of the bats I saw went unidentified. Most were little more than shadowy blurs silhouetted against the dusk.

Pel's Pouched Bat (Saccolaimus peli) - These massive bats were easy to see around Sangha Lodge, particularly flying over the river. They are identifiable by their huge size.

Intermediate Slit-faced Bat (Nycteris intermedia) - The hollow tree that houses the Lord Derby’s anomalure is also home to at least two kinds of bat. I was able to identify one of them as slit-faced bats, and I’ve called them N. intermedia based on Vladimir Dinnet’s notes.

Pangi, one of the two habituated long-tailed pangolins living around Sangha Lodge. There are much better pictures of her elsewhere on the Internet.

Pangi, one of the two habituated long-tailed pangolins living around Sangha Lodge. There are much better pictures of her elsewhere on the Internet.

Long-tailed Pangolin (Manis tetradactyla) - Easily seen at Sangha Lodge by joining the trackers that follow habituated individuals from sunrise to sunset. Otherwise practically impossible to see.

Forest buffalo (left) and giant forest hog (right) hanging out together at Dzanga Bai.

Forest buffalo (left) and giant forest hog (right) hanging out together at Dzanga Bai.

Giant Forest Hog (Hylochoerus meinertzhageni rimator) - Regularly seen at Dzanga Bai.

Forest Buffalo (Syncerus nanus) - Reliable at Dzanga Bai.

Bongo!!!!!!

Bongo!!!!!!

Bongo (Tragelaphus eurycerus) - Occasionally makes an appearance at Dzanga Bai, making that the best place in the world to see them.

Western Sitatunga at Bai Hokou.

Western Sitatunga at Bai Hokou.

Western Sitatunga (Tragelaphus gratus) - Occasionally seen at Bai Hokou.

Can anyone help identify these:

  1. I think these three pictures are of a red-legged sun squirrel. Can anyone confirm or correct me?

2. The hollow tree where the Lord Derby’s anomalure is found, I identified two species of bats. This was quite challenging, I was literally going back-and-forth between looking straight up with my binoculars and reading through Kingdon’s guide. I identified two bats down to genus: the slit-faced bats mentioned above and woolly bats (Kerivoula sp.). Unfortunately Vladimir Dinnet does not list a woolly bat species as occurring inside that tree. Does anyone know what kind(s) of woolly bat roosts in there?

Targets for next time:

Tree Hyrax - Their extremely loud calls were heard nightly around Sangha Lodge, sometimes very close to the trails. I think I could have found them if I had known what I was looking for, I thought I was looking for some kind of nocturnal bird!

Agile Mangabey - Usually easy to see as there is a habituated group at Bai Hokou but unfortunately when I was there the trackers were on strike.

De Brazza’s Monkey - Apparently occasionally seen in the swampy area near Sangha Lodge but I didn’t get enough time to properly explore this area in the daytime.

Brush-tailed Porcupine - There is a cave where they live not far from Sangha Lodge, but when we went they were very skittish and ran too deep into the cave for us to see. They can also be reliably seen by going hunting with the Ba’aka.

Tree Pangolin - Apparently regular on the trails around Sangha Lodge at night, though I think Rod might be a little over optimistic (he said they’re seen approx. once per four night walks).

Red River Hog - My favourite pig, I was really hoping to see them. They’re regular at Dzanga Bai, so I was just unlucky.

Birds:

I identified birds almost exclusively by sight, using the second edition of the Birds of Western Africa. I’m just not good enough at African bird calls to rely on them. However, Rod Cassidy, the owner of Sangha Lodge, was a professional birding guide in Africa before buying the lodge, so I was able to rely on him for help with some hard-to-ID birds. He also loaned me his Swarovski telescope to use at Dzanga Bai, which very much came in handy.

My bird list is here. It is 173 species long, and I don’t think it’s worth reposting. Instead, I’m just going to mention some highlights. Also, I should note that my list may not be complete, I think I forgot to write down some of the common and/or introduced species I’d seen previously.

Plumed Guineafowl (Guttera plumifera) - Seen with Rod’s help on the trails at Sangha Lodge.

African Green Pigeon (Treron calvus) - This spectacular bird was common around Sangha Lodge and Dzanga-Sangha National Park

Yellow-throated Cuckoo (Chrysococcyx flaviguralis) - Not an easy bird to see, Rod help me track down one that was calling around Sangha Lodge early one morning.

Black Spinetail (Telacanthura melanopygia) - The diversity of spinetails around Sangha Lodge makes identification a challenge; I found four species on my trip, of which this is the least reported (according to eBird).

Forbes’s Plover (Charadrius forbesi) - A Central and West African specialty, these were common at Dzanga Bai. There were many other waders at Dzanga Bai as well, a good telescope is necessary if you want to identify them.

Dwarf Bittern (Ixobrychus sturmii) - One seen at Dzanga Bai at the edge of the forest.

Black Goshawk (Accipiter melanoleucus) - A spectacular bird to see emerge from the forest at Dzanga Bai.

Dark Chanting-goshawk (Melierax metabates), Bataleur (Terathopius ecaudatus), Red-necked Buzzard (Buteo auguralis) - Three spectacular African raptors all seen riding the thermals from the road to Lac des Crocodiles.

Fraser’s Eagle-owl (Bubo poensis) - Rod found one at Sangha Lodge after dinner one evening.

Red-billed and Black Dwarf Hornbills (Lophoceros camurus and Horizocerus hartlaubi) - Both dwarf hornbills are rather difficult to see, but can be spotted in the forest canopy around Sangha Lodge.

Black-and-white Casqued Hornbill (Bycanistes subcylindricus) - Rod says he doesn’t think these are present in the area, but I swear I saw one - the diagnostic black-and-white undertail pattern in particular - fly across the river during our river cruise.

Peregrine Falcon (Falco peregrinus) - Despite seeing this bird regularly in all my hometowns (Toronto, Montreal and Canberra), I was extremely pleased to see a Sky Ferrari perched on the cell tower in downtown Bangui.

Gray Parrot (Psittacus erithacus) - My #2 most wanted bird of the trip, they were so common at Sangha Lodge and around Dzanga-Sangha NP that I could have gotten sick of them if they weren’t so wonderful. The palm wine boat tour is particularly good for seeing them in large, riotous flocks.

Red-eyed Puffback (Dryoscopus senegalensis) - A particularly hard rainforest bird to see, I only saw it once, at Dzanga Bai.

Black -headed x African Paradise-flycatcher (Terpsiphone rufiventer x viridis) - While hanging around Bai Hokou village, I saw what looked like a black-headed paradise-flycatcher, except it had black underparts and white tail streamers of intermediate length. What a weird bird.

White-bearded Greenbul (Criniger ndussumensis) - I saw this around Sangha Lodge, and was able to identify it to species only with Rod’s help.

Lesser Bristlebill (Bleda notatus) - I was lucky in finding an army ant swarm while wandering the Sangha Lodge trails and, though the experience was stressful for trying to avoid being encircled by the ants, it was great for birding those understory skulkers that are otherwise quite difficult to get a look at.

Xavier’s Greenbul (Phyllastrephus xavieri) - I saw this greenbul only once, birding around the Bai Hokou village.

Green-backed Eremomela (Eremomela canescens) - This seldom-reported bird seems pretty easy to see on the road to Lac des Crocodiles.

Gosling’s Apalis (Apalis goslingi) - This Central African specialty was easy to see at Sangha Lodge.

Yellow-footed Flycatcher (Muscicapa sethsmithi) - This did not seem like an easy bird to see, but I found one extremely confiding individual hanging around the Bai Hokou village.

Can anyone help identify this:

This bird was seen and photographed at Dzanga Bai. Yes, this is the best (i.e. only) picture we managed to get. Can anyone identify it from this?

Targets for next time:

Red-necked Picathartes - I was sad to have missed my #1 target bird. Rod has a reliable spot for them, but unfortunately a poacher had camped there recently (the remnants of his fire pit were still very evident) and there were no birds to be found. We did see their weird mud nests.

White-collared Starling - Rod suggested that the road to Lac des Crocodiles is a good place to look for this species because previous groups had found them there.

Pennant-winged and Standard-winged Nightjars - Rod said that these can be found hawking over and around the airstrip at Bayanga, but we didn’t manage to arrange a night trip there. Also, the road to Lac des Crocodiles is almost guaranteed to have them, but I don’t think driving this road at night is a good idea in the current security situation.

Greater Painted-snipe - I was convinced that if I scanned Dzanga Bai long enough and hard enough with the telescope I would find one, but I never did.

Reptiles

Reptiles were the hardest to identify because (1) there is a huge lack of knowledge as to what reptiles live in Central Africa, (2) they are extremely diverse (particularly certain groups of lizards and snakes), and (3) diagnostic differences between species can be subtle. Luckily reptiles have long been my passion, and I can identify almost all reptiles to family on sight, most reptiles to genus on sight, and for the easier groups (monitor lizards, boids, crocodilians, etc) I can identify them to species on sight. However, for a lot of the small, skittish lizards, it just wasn’t possible to identify them on my trip. I took pictures of them if I could get my camera out and focussed before they ran away, and others took notes on their appearance as best I could. Once I got home, I used the primary (scientific) literature to figure out what species in that family or genus could be present in CAR, and then how to tell those species apart. My main source of information for what reptiles are present in CAR was Chirio & Ineich, 2006.

A young Central African dwarf crocodile in the swamps near Sangha Lodge.

A young Central African dwarf crocodile in the swamps near Sangha Lodge.

Central African Dwarf Crocodile (Osteolaemus teraspis) - I saw a young one spotlighting in the swamps on my first night at Sangha Lodge. Rod doubted that I’d find one, and I wasn’t able to find it again on subsequent nights despite intensive searching, so I think they are pretty rare in the area and I was extremely lucky.

A young sacred crocodile at Lac des Crocodiles near Boali Falls.

A young sacred crocodile at Lac des Crocodiles near Boali Falls.

Sacred Crocodile (Crocodylus suchus) - A young one was lured out of the Lac des Crocodiles with the promise of a live chicken, however a hive of angry bees came to the chicken’s rescue. The poor croc retreated back to its lake unfed as we all ran off screaming.

A Calabar burrowing python found at night near the Picathartes waterfall, Sangha Lodge.

A Calabar burrowing python found at night near the Picathartes waterfall, Sangha Lodge.

Calabar Burrowing Python (Calabria reinhardtii) - One found at night spotlighting below the picathartes nesting site. My guide completely freaked out when I picked it up. He was new, very keen to make a good impression (which he did), and thought he was watching his great opportunity disappear before his eyes because who would hire him again when his first tourist committed suicide by snake? After I explained (repeatedly and at length) that this particular snake was not dangerous, he eventually asked to hold it.

Jameson’s Mamba (Dendroaspis jamesoni jamesoni) - There aren’t many wild animal experiences I treasure more than watching a two-meter-long, bright yellow mamba move effortlessly from a sunny patch on the rainforest floor up a palm tree and into the safety of its crown of thorny fronds. The mamba made no hurry and kept its head elevated and eye on me the whole time. I would have walked right by it had a squirrel not been alarm-calling at it, and even then I spent the first few minutes trying to ID the squirrel before I thought to try and figure out what had got the squirrel so worried. How many other amazing, fully exposed but well-camouflaged animals did I walk right past?

A beautifully coloured male African five-lined skink at Boali Falls.

A beautifully coloured male African five-lined skink at Boali Falls.

A baby African five-lined skink with a beautiful blue tail.

A baby African five-lined skink with a beautiful blue tail.

African Five-lined Skink (Trachylepis quinquetaeniata) - Common around man-made structures at Boali Falls and Lac des Crocodiles.

A speckle-lipped skink basking on the deck at Sangha Lodge.

Speckle-lipped Skink (Trachylepis maculilabris) - Common around Sangha Lodge.

A Makolowodé’s skink hanging above the door to my cabin. I took a bunch of pictures of this guy, and he never moved. Later, I realized he was dead.

Makolowodé’s Skink (Trachylepis makolowodei) - Common around Sangha Lodge.

A Benoue agama near Boali Falls.

Benoue Agama (Agama dorian) - Common around man-made structures at Boali Falls and Lac des Crocodiles.

A gorgeous male red-headed agama.

Red-headed Agama (Agama lebertoni) - The Agama agama-group species in the area, these were surprisingly uncommon. Usually they are abundant around human habitation, but I only saw them around the Mausoleum of Ange-Félix Patassé, just outside of Bangui.

Moreau’s tropical house gecko in my cabin at Sangha Lodge.

Moreau’s Tropical House Gecko (Hemidactylus mabouia) - Seen on the interior walls of my cottage at Sangha Lodge, as well as the dining hall.

A coalescent house gecko in my cabin at Sangha Lodge.

Coalescent House Gecko (Hemidactylus coalescens) - Common both in the buildings at Sangha Lodge, and around the bases of trees in the forest.

The one picture I was able to get of the sawtail lizard before it took off.

Sawtail Lizard (Holaspis guentheri) - I saw this gorgeous lizard on a tree limb beside the observation hide at Dzanga Bai. That was the only one I ever saw, so I suspect they aren’t easy to find unless you can get up high.

Ornate Monitor (Varanus ornatus) - Rod was surprised when I told him on my last day that I had yet to see one. He said he frequently sees them wandering around the camp. I made a concerted effort to find on that morning, and finally came across a baby on the bank of the river across from the camp. It was gorgeous, and well worth the effort.

Can anyone help me identify:

1. This gorgeous agama was hanging around on the tree by the Dzanga Bai elevated hide, and I have no idea what it is. Not only is its colour scheme not one I’ve seen described anywhere for any African agamid, but something about this individual says “female” to me, which would make its beautiful colours even more unusual. If you know what it is, please let me know!

2. I chased this agamid around my cabin at Sangha Lodge trying to get decent pictures. Something about this one makes me think it’s a male, but I still have no idea what species it could be.

Targets for next time:

Central African Slender-snouted Crocodile - Rod says these have been hunted out from the area, but the guides in the Dzanga-Sangha NP were familiar with it. It might be worth trying to hire a Ba’aka guide to see if they can take to you a good spot for them.

Gaboon and Rhinoceros Vipers - I borrowed a rake and tried raking through leaves at the bottom of a pit with no luck. Rod says he’s only seen them two ways: when they’re swimming in the river or fleeing army ants. I suspect they aren’t rare, but the quality of their camouflage and their habit of not moving make them almost impossible to find.

Broadley’s and Variable Bush Vipers - Both these spectacular snakes should be present in the rainforest of southwest CAR. Spotlighting at night is probably the best way to find them (along with luck) but I didn’t come across any - and I spotlighted quite a bit!

Ball Python - One of the most popular pet snakes in the world, I’d love to seen this gorgeous animal in the wild. Flipping debris on the road to Lac des Crocodiles would probably give a decent chance of finding one (and who knows what else!)

Conrau’s Dwarf Gecko - These tiny but spectacularly coloured gecko are around Sangha Lodge, I’m sure. They prefer dense vegetation in sunny spots in the forest. I’ll have to look harder next time.

Savannah Monitor - I’ve got no idea what kind of hunting pressure they might be under, but they should be present in the savannah mosaic around Lac des Crocodiles. It’d be worth wandering around the area, or at least keeping an eye out while birding.

Cameroon Stumptail Chameleon - I would LOVE to see a species of dwarf chameleon. I suspect find it is a matter of keeping a close eye on the ground while walking along rainforest trails.

Amphibians

Although the data on amphibian diversity in Central Africa is just as terrible as the data on reptiles, two things made the amphibians easier to identify. First, their diversity is a heck of a lot lower, so the number of species that could possibly be present is less daunting. Second, an academic, David Modry, had recently done a survey of frogs at Sangha Lodge, and left behind a picture book of all the species they found. This was very useful. Unfortunately the data doesn’t seem to have made it into any publication yet.

Greshoff’s Wax Frog

Greshoff’s Wax Frog

Greshoff’s Wax Frog (Cryptothylax greshoffi) - Common on the trails around Sangha Lodge at night.

White-lipped Frog

White-lipped Frog

White-lipped Frog (Amnirana albolabris) - Common in the swamps near Sangha Lodge at night.

Perret’s Grassland Frog

Perret’s Grassland Frog

Perret’s Grassland Frog (Ptychadena perreti) - Common in the grassy areas of Bai Hokou.

Benito River Night Frog

Benito River Night Frog

Benito River Night Frog (Astylosternus batesi) - Not easy to find. I found a couple in the creek that flows down from the Picathartes nesting site.

Buea Screeching Frog

Buea Screeching Frog

Buea Screeching Frog (Arthroleptis variabilis) - We managed to find a couple spotlighting at night on the trails around Sangha Lodge.

Eared River Frog

Eared River Frog

Eared River Frog (Phrynobatrachus auritus) - A few individuals found in the swamps near Sangha Lodge.

Oban Toad

Oban Toad

Oban Toad (Sclerophrys camerunensis) - This human-associated species is relatively easy to find at night around the Sangha Lodge buildings.

Central African clawed frog

Central African clawed frog

Central African clawed frog (Xenopus power) - This, the northernmost of the four species that Xenopus laevis was split into, was common in the swamps around Sangha Lodge at night. This was surprising because it is not included in David Modry’s picture book. Maybe its presence is seasonal?

Can you help me identify:

1. I think this is just a weakly patterned eared river frog. Any other opinions?

2. I’m pretty sure this is Hyperolius brachiofasciatus based on the description in AmphibiaWeb, but identifying newly-metamorphosed froglets like this one is quite difficult. Does anyone have any insight?

2. I’m pretty sure this is Hyperolius brachiofasciatus based on the description in AmphibiaWeb, but identifying newly-metamorphosed froglets like this one is quite difficult. Does anyone have any insight?

3. I think this might be Leptopelis calcaratus? But something about it just doesn’t seem to fit for that species…

4. David Modry has this listed in his book as Hyperolius sp. Anyone know if it’s been described?

Targets for next time:

Congo caecilian - I have never seen any kind of caecilian in the wild. This terrestrial species should be pretty common in the rainforest, but I suspect we didn’t get enough rain when I was there to bring them out of their burrows.

Bolifamba Reed Frog - This spectacularly coloured frog reaches its westernmost distribution in southwester CAR.

Accra Snake-necked Frog - Another spectacularly coloured frog, this one found in dryer savannah regions. Lac des Crocodiles seems like a good place to look for them, but you’d have to be there during the rains.

Cameroon Toad - Among the most beautiful of toads, this species is found in rainforests in the vicinity of large rivers, so Sangha Lodge seems like the perfect place to go looking for them! Maybe I have to spotlight more along the river’s edge, as opposed to in the forests and swamps.