They are nocturnal, and with their mobile joints and opposable thumbs slow lorises are able to move about the tree tops with ease, catching prey and scent-marking territory. Unfortunately ...

Pygmy slow lorises are classified as an endangered species, according to Smithsonian's National Zoo & Conservation Biology Institute. The nocturnal, tree-dwelling animal is indigenous to forested ...

This story appears in the October 2017 issue of National Geographic magazine. After videos of slow lorises being tickled and fed rice balls in captivity swept the Internet, the wide-eyed animals ...

Pygmy Hippo is known for their gentle nature. This small and adorable species, is endangered due to poaching and habitat loss ...

The Lake Superior Zoo’s two pygmy slow lorises are named Colby and Giorgio. You can find them in the nocturnal building of the zoo. It’s rare for primates to be nocturnal. They’re the only ...