The average cat sleeps about 2/3 of the day.
203
The lifespan of mammals is about 1 and a half billion heartbeats.
127
World's heaviest primates: morbidly obese humans. After that: gorillas at 485 lbs.
106
Roosters can't crow if they can't fully extend their necks.
28
A dork is a whale's penis.
327
A cow produces around 200,000 glasses of milk in her lifetime.
373
No one has ever been able to domesticate the African elephant. Only the Indian elephant can be trained by man.
39
A bird 'chews' with its stomach.
33