There's a rare breed of pig that looks like a sheep.
14
The elephant brain weighs about 6,000g.
274
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
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