Whales and dolphins can't taste anything other than salt.
11
Condoms were originally made of animal intestines or linen.
347
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Cats recognise the voice of their owner, but never evolved to care.
22
Parrot parents "name" their children with a signature call.
112
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
A dairy cow can produce more milk when listening to music.
446