Parrot parents "name" their children with a signature call.
112
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Dolphins have names for one another.
18
Cows can sleep standing up, but they can only dream lying down.
745
Cats recognise the voice of their owner, but never evolved to care.
22
Whales and dolphins can't taste anything other than salt.
11
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
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