Only 3% of bird species have penises.
0
The seahorse is the only fish to have a neck.
12
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
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
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11