Cats and dogs can hear ultrasound.
350
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
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Condoms were originally made of animal intestines or linen.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
A giraffe's kick is so powerful that it can decapitate a lion.
216
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Tigers can see 6 times better at night than humans.
305