The elephant brain weighs about 6,000g.
274
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
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
Early American humans hunted car-size armadillos and used their shells for houses.
12
Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
17
The octopus does not have a blind spot.
273
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255