When dragonflies mate, their tails form a love heart.
22
Domestic pigs average a top speed of about 11 miles per hour.
182
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Lurch, a Watusi bull, had the largest horns in the world.
32
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
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
Only 3% of bird species have penises.
0