Sheep, goats, octopuses, and toads have rectangular pupils.
7
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 lion in the wild usually makes no more than twenty kills a year.
186
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Cats and dogs can hear ultrasound.
350
Only 3% of bird species have penises.
0