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.
71
Cats and dogs can hear ultrasound.
350
Jellyfish as a species are actually older than dinosaurs and sharks.
383
When cats are happy, they may squeeze their eyes shut.
10
A giraffe's kick is so powerful that it can decapitate a lion.
216