The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
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Bats sleep 18-20 hours per day.
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If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
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The Basenji dog is the only dog that is not able to bark.
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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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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.
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