Sloths spend a lot of time in trees -- Sloths have special fur -- Sloths take a long time to eat -- Sloths are the world's slowest animals -- Sloths are great swimmers -- Sloths grow algae on their fur -- Sloths poop once a week -- Sloths see in black and white -- Sloths can be noisy -- Sloths give birth in trees -- Mother sloths carry their babies on their stomachs -- Sloths cannot shiver -- Fact sheet.