The Basenji dog is the only dog that is not able to bark.
4
When dragonflies mate, their tails form a love heart.
22
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
A giraffe's kick is so powerful that it can decapitate a lion.
216