Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Condoms were originally made of animal intestines or linen.
347
The largest earthworm on record was found in South Africa and measured 22 feet.
151
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19