The cat brain weighs about 30g.
167
Rattlesnake mating sessions have been known to last more than 22 hours.
232
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
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Bats sleep 18-20 hours per day.
5
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Jumping fleas can accelerate 50 times faster than the space shuttle.
218