The pygmy sloth — the world’s smallest sloth — is considered critically endangered by the International Union for Conservation of Nature. A 2017 study showed only 48 individuals left in the wild, and ...

Classified as critically endangered and believed to have a rapidly declining population and habitat area, pygmy three-toed sloths (Bradypus pygmaeus) are native exclusively to the island of Escudo de ...

As part of their Animals on the Edge programme, Lucy Cooke joins a team of conservationists from the Zoological Society London to survey a group of the world's smallest sloth species on the ...