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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Dogs have been man's pet for over 14,000 years.
224
Cats and dogs can hear ultrasound.
350
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Only 3% of bird species have penises.
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Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8