A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
Lurch, a Watusi bull, had the largest horns in the world.
32
The head of a jellyfish is called the "Bell."
6
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16