Tigers can see 6 times better at night than humans.
305
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
The colossal squid has the largest eyes in the world.
4
Condoms were originally made of animal intestines or linen.
347
The elephant brain weighs about 6,000g.
274
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 most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2