The Basenji dog is the only dog that is not able to bark.
4
Sharks, like other fish, have their reproductive organs in their chests.
248
When cats are happy, they may squeeze their eyes shut.
10
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
A group of kittens is called a "kindle".
10
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18