A domestic cat can sprint at about 31 miles per hour.
274
Sloths take two weeks to digest their food.
243
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Giant Anteaters' front legs look like a panda.
48
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23