There are approximately three chickens for every human on Earth.
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Rattlesnake mating sessions have been known to last more than 22 hours.
232
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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The largest earthworm on record was found in South Africa and measured 22 feet.
151
Alligators can live up to 100 years.
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There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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Early American humans hunted car-size armadillos and used their shells for houses.
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