When dragonflies mate, their tails form a love heart.
22
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
The largest breed of rabbit is the Flemish Giant.
65
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13