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
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
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