Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
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
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
Sloths take two weeks to digest their food.
243
The largest breed of rabbit is the Flemish Giant.
65
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9