Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Only 3% of bird species have penises.
0
Cats recognise the voice of their owner, but never evolved to care.
22
Sharks, like other fish, have their reproductive organs in their chests.
248
A giraffe's kick is so powerful that it can decapitate a lion.
216
The station master and operating officer at the Kishi Station, Japan, is a cat!
18