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
A lion in the wild usually makes no more than twenty kills a year.
186
A scorpion can hold its breath for up to 6 days.
19
Early American humans hunted car-size armadillos and used their shells for houses.
12
The oldest recorded elephant lived for 82 years.
213
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
Female kangaroos have three vaginas.
2