Perodicticus potto.
I don't think I have ever photographed a potto before. This guy now shares an enclosure with a three-banded armadillo. He (or she) seems to spend the day in a wooden tray at the back of the enclosure, under a heat lamp, but screened and shaded underneath a potto-sized hammock. I was very lucky to catch him (or her) awake when I had a long lens on my camera. I didn't expect too much, but it's always worth trying to get a photo - no harm is done if you fail with a distant subject and sometimes it pays off