The Chow and the Chinese Shar-Pei are the only dogs that have black tongues.
32
Catgut comes from sheep not cats.
11
All clams start out as males; some decide to become females at some point in their lives.
50
A cockroach will live nine days without it's head, before it starves to death.
26
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Black Whales are born white.
41
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12