Dolphins have names for one another.
18
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
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
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Bats sleep 18-20 hours per day.
5
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12