A lion in the wild usually makes no more than twenty kills a year.
186
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
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Squirrels forget where they hide about half of their nuts.
698
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12