Goldfish remember better in cold water than warm water.
29
A kangaroo cannot jump if its tail is off the ground.
29
The sting from a killer bee contains less venom than the sting from a regular bee!
81
Cockroaches can live for 9 days after their head has been cut off.
140
A killer whale's heart beats 30 times a minute under water, 60 times a minute on the surface.
30
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Contrary to popular belief, dogs do not only sweat by salivating. They also sweat through the poors on their feet.
30