On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
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Rattlesnake mating sessions have been known to last more than 22 hours.
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The head of a jellyfish is called the "Bell."
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The reindeer is the only mammal that can see UV light.
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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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