In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46
A cow produces around 200,000 glasses of milk in her lifetime.
373
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23