Goldfish remember better in cold water than warm water.
29
Ants make up 1/10 of the total world animal tissue. The total biomass of all the ants on Earth is about equal to the total biomass of all the people.
85
Cats cannot taste sweet things.
22
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
A killer whale's heart beats 30 times a minute under water, 60 times a minute on the surface.
30
There's a rare breed of pig that looks like a sheep.
14
Cockroaches can live for 9 days after their head has been cut off.
140
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
251