When cats are happy, they may squeeze their eyes shut.
10
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
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