Over 10,000 birds a year die from smashing into windows!
-41
A giraffe can clean its ears with its 21-inch tongue!
31
A rodent's teeth never stop growing.
16
A killer whale's heart beats 30 times a minute under water, 60 times a minute on the surface.
30
A cow produces 200 times more gas a day than a person.
90
Some breeds of chickens lay colored eggs!
51
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23