Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
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
Early American humans hunted car-size armadillos and used their shells for houses.
12
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Alligators can live up to 100 years.
337