I think Jason Louv’s red panda has some serious competition here. From Vimeo user Amphibian Avenger:

I filmed this at the Aviaros del Caribe sloth sanctuary in Costa Rica - the world’s only sloth orphanage. Baby 2 and 3 toed sloths, whose mother’s have either been run over or zapped by power lines, are brought to the centre to be cared for by sloth whisperer Judy Arroyo.

(via Das Kraftfuttermischwerk)