Cats recognise the voice of their owner, but never evolved to care.
22
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Condoms were originally made of animal intestines or linen.
347
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Jellyfish as a species are actually older than dinosaurs and sharks.
383
There are approximately three chickens for every human on Earth.
13
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6