Sloth bear cub Remi plays harmonica as part of an animal enrichment program at the Smithsonian National Zoo. The activity encourages the same behavior sloth bears in the wild use to suck insects ...

A leucistic sloth bear (right) and normal-colored cub (left) seen in 2019. Photo from Chaudhuri, Duta and Ramesh (2024) A photo taken at the tiger reserve in 2019 shows a brown leucistic sloth ...