Ecology, Environment and Conservation Business
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New emu research study findings reported from A. Herrel and co-authors
April 3rd, 2010
According to a study from Paris, France, "Darwin's finches are a model system for studying adaptive diversification. However, despite the large body of work devoted to this system, rather little is known about the functional consequences of variation in the size and shape of bills."
"We test, using two methods, if natural or sexual selection, or both, has resulted in functional divergence in bill and head morphology. Firstly, we compare data on head-shape and bite-forces across nine species of Darwin's finches. Secondly, we use micro-CT scans and finite-element models to test the prediction that the shape of the bill in representatives of the different feeding types is...
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Source: Ecology, Environment and Conservation Business (2010-04-03)