Only 3% of bird species have penises.
0
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
A dairy cow can produce more milk when listening to music.
446
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
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
Sloths take two weeks to digest their food.
243
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6