The sloth is the world's slowest mammal, so sedentary that algae grows on its furry coat. The plant gives it a greenish tint that is useful camouflage in the trees of its Central and South ...
The drier climate birthed savannas that supported a diverse assemblage of mammals, including giant sloths of varying sizes and their bipedal neighbors: ancient modern humans. In the 20th century ...
This is Luca. He's a two-year-old two-toed sloth. Until recently, the Singapore-born mammal resided with his parents at the Singapore Zoo. But now that his parents have had another baby, he's moved ...