When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Dogs sometimes fake being sick to get attention.
26
Bats sleep 18-20 hours per day.
5
A dairy cow can produce more milk when listening to music.
446
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19