A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
In the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
5
A giraffe's kick is so powerful that it can decapitate a lion.
216
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
In Australia, there are spiders big enough to eat snakes.
20