Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
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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
A scorpion can hold its breath for up to 6 days.
19
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Dogs have been man's pet for over 14,000 years.
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