The largest breed of rabbit is the Flemish Giant.
65
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
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
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 seahorse is the only fish to have a neck.
12
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6