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
One in three dog owners say they have talked to their pets on the phone.
427
Only 3% of bird species have penises.
0
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
The largest breed of rabbit is the Flemish Giant.
65
Cats sleep for 70% of their lives.
8
Sheep, goats, octopuses, and toads have rectangular pupils.
7