The three-toed sloth hangs upside down from tree branches.

Three-toed sloths are slow-moving mammals found in the rainforests of Central and South America.

The northern three-toed jerboa is a small rodent found in the desert regions of Asia.

The northern three-toed jerboas are small rodents found in the desert.

Eurasian three-toed woodpeckers are known for their distinctive drumming sound.

The Eurasian three-toed woodpecker is a species of woodpecker found in Europe and Asia.