The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79