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Comparison Of Carrion Crow And Hooded Crows By Jochen Wolf

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Jochen Wolf, a biologist from Uppsala University located in Sweden has been studying two very similar birds, the Carrion Crows and Hooded Crows. The two types of birds are located in Germany and Sweden. Even though they look different with a black and a gray body, the two birds can mate. They would much rather mate with their own type though. When you are painting and you mix blue and yellow together, you know it should make green. If it doesn’t, you know something's wrong because it should always be green..Something scientist have been working on has been giving them that problem when they breed. The two birds aren’t changing. Chris Jiggins, a biologist at the Cambridge University in England proposed a question/answer to the problem. “Maybe

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