The head of a jellyfish is called the "Bell."
6
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Condoms were originally made of animal intestines or linen.
347
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
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
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46
When cats are happy, they may squeeze their eyes shut.
10