Three-toed sloth and Tree sloth

Three-toed sloth noun - A sloth that has three long claws on each forefoot and each hindfoot.

Tree sloth and three-toed sloth are semantically related. In some cases you can use "Tree sloth" instead a noun phrase "Three-toed sloth".

Tree sloth noun - Any of several slow-moving arboreal mammals of South America and Central America; they hang from branches back downward and feed on leaves and fruits.

Three-toed sloth and tree sloth are semantically related. Sometimes you can replace phrase "Three-toed sloth" with "Tree sloth", this phrases are similar.