Cats and dogs can hear ultrasound.
350
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Squirrels forget where they hide about half of their nuts.
698
A group of kittens is called a "kindle".
10
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
The reindeer is the only mammal that can see UV light.
17
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45