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Message: <blockquote data-quote="MacNara" data-source="post: 3459565" data-attributes="member: 23290">That's great Andy. Many thanks again. I had excluded Common Treeshrew even though it was mentioned in an old Sukau checklist I found because the distribution map on the Wikipedia article completely excludes Borneo. But I hadn't carefully read the text which clearly includes Borneo. So, I think this is what it is.And Low's and Horse-tailed look great.I'm still a bit uncertain about number 4.It looks in the photos and looked at the time to be all black. In the picture I posted, you seem to be able to see the belly which in Prevost's pluto is said to be red. But here it looks the same as the rest of the animal. An alternative is that it's Low's again, and the lighting is making it look dark. Or finally, it's something else. Could it be Black Flying Squirrel? It's in Danum Valley, and we did see a Black Flying Squirrel on a night drive (no photo, obviously). Wikipedia has a list of the squirrels of Borneo in the Mammals of Borneo page, but many of the articles are perfunctory and don't have a picture. And even a Google image search doesn't turn up a photo for some of them. The photo of Black Flying Squirrel I found seemed to show a pink nose. I thought the fluffy black/grey tail you can see in the photos might be distinctive, but maybe it was just a fluffed-out tail?Any opinion on this one?</blockquote>