Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
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 giraffe's kick is so powerful that it can decapitate a lion.
216
The Basenji dog is the only dog that is not able to bark.
4
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
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