Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Condoms were originally made of animal intestines or linen.
347
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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Female kangaroos have three vaginas.
2
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7