A dork is a whale's penis.
327
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
The elephant brain weighs about 6,000g.
274
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
A domestic cat can sprint at about 31 miles per hour.
274