The reindeer is the only mammal that can see UV light.
17
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
In Australia, there are spiders big enough to eat snakes.
20
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Female kangaroos have three vaginas.
2