The Basenji dog is the only dog that is not able to bark.
4
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Cats recognise the voice of their owner, but never evolved to care.
22
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11