Sharks have been on the planet longer than trees.
14
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
Minnows have teeth in their throat.
21
Despite the hump, a camel's spine is straight.
43
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The poison-arrow frog has enough poison to kill about 2,200 people!
55
Contrary to popular belief, possums, squirrels, chipmunks, and mice do not carry rabies.
28
Elephants are the only animals that can't jump.
1