My latest contribution to 10,000 Birds blog is a write up of some very interesting research that addresses the evolutionary history of the Penguin Tuxedo. Check it out. This post also has a handy-dandy downloadable PDF version of itself suitable for use in the classoom.
Also, if you haven't read this yet, please check it out: Could you sustain the energy level required to be a teacher?
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Clarke, J. A. E. A. (2010). Fossil Evidence for Evolution of the Shape and Color of Penguin Feathers. Science, 330(NOVEMBER), 954-957.
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