Cats and dogs can hear ultrasound.
350
Tigers can see 6 times better at night than humans.
305
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
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 Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Condoms were originally made of animal intestines or linen.
347
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9