Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Nicole Kidman is scared of butterflies.
65
The reindeer is the only mammal that can see UV light.
17
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
Sharks, like other fish, have their reproductive organs in their chests.
248
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11