The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Condoms were originally made of animal intestines or linen.
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Sharks, like other fish, have their reproductive organs in their chests.
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