The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
Denmark has twice as many pigs as there are people.
66
Female kangaroos have three vaginas.
2
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
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23