Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
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 largest earthworm on record was found in South Africa and measured 22 feet.
151