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 the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
5
Female kangaroos have three vaginas.
2
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23