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
Ants tend to survive in a microwave because they find the coolest spot and wait!
17
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Gorillas can catch human colds and other illnesses.
205
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255