Cats and dogs can hear ultrasound.
350
The cat brain weighs about 30g.
167
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Elephants are terrified of Bees and actually have a special, distinct vocalization for “Run away the Bees are angry”
49
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
Penguins have a gland above their eye that turns saltwater into freshwater.
12