Cats and dogs can hear ultrasound.
350
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Condoms were originally made of animal intestines or linen.
347
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
The Basenji dog is the only dog that is not able to bark.
4
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14