Black Whales are born white.
41
The world's largest amphibian is the giant salamander. It can grow up to 5 ft. in length.
66
The cat brain weighs about 30g.
167
The first two years of a dog's life are equal to 24 human years.
25
According to scientific studies, a rat's performance in a maze can be improved by playing music written by Mozart.
46
Crocodile babies don't have sex chromosomes; the temperature at which the egg develops determines gender.
45
Spiders have transparent blood.
56