A 42-foot sperm whale has about 7 tons of oil in it.
209
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
A giraffe's kick is so powerful that it can decapitate a lion.
216
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
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
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
The Basenji dog is the only dog that is not able to bark.
4