One litter of kittens can be produced by more than one father.
57
The Basenji dog is the only dog that is not able to bark.
4
A blue whale's heart is the size of a Volkswagen Beetle!
37
Baby robins eat 14 feet of earthworms every day.
13
The male praying mantis cannot copulate while its head is attached to its body. The female initiates sex by ripping the males head off.
85
Some breeds of chickens lay colored eggs!
51
Some ribbon worms will eat themselves if they can't find any food.
-33
The cicada, a fly found in Africa, spends 17 years of its life sleeping; and only two weeks is awake during which mates and then dies.
33