Penguins

I read an article on how penguins use their sense of smell to distingusish between family and nonfamily members. Scientist in a zoo used 22 penguins for testing. They would us 12 penguins at once and place differnet penguins in different kennels. Some of these penguins were family member while others were not. The scientists proved that penguins can tell the difference between family and nonfamily members because the penguins in the test stayed in the kennel where the sense was not as familiar as the other ones. Scientist also proved that this could be the only way they can distinguse weather or not they can have sex with another penguin after a long time a sea. Even though scientist need to do some more studies on birds in general they think that a sense of smell is one of the most important senses a bird has. Matt R