Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The katydid bug hears through holes in its hind legs!
110
The world's largest amphibian is the giant salamander. It can grow up to 5 ft. in length.
66
Service dogs are trained to know when they are on duty. When their harness is on, they know they are at work. When you take it off they instantly become playful and energetic.
11
A group of geese on the ground is a gaggle, a group of geese in the air is a skein!
19
Dogs have four toes on their hind feet, and five on their front feet.
179
Female kangaroos have three vaginas.
2