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 male seahorse carries babies and 'gives birth' to them instead of the female.
7
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Gorillas can catch human colds and other illnesses.
205
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268