Sloths take two weeks to digest their food.
243
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
One in three dog owners say they have talked to their pets on the phone.
427
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
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
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16