The poison-arrow frog has enough poison to kill about 2,200 people!
55
To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe.
84
Some ribbon worms will eat themselves if they can't find any food.
-33
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
At one 'feeding', a mosquito can absorb one and a half times its own weight in blood.
-1
Squirrels forget where they hide about half of their nuts.
698
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307