Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
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
Sloths take two weeks to digest their food.
243
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
In the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
5