Saturday, April 10, 2004

How interesting

The hummingbird, well known as a sipper of nectar, is also a hunter of insects, which supply it with the essential proteins it needs for survival. Unfortunately its long beak, well adapted for extracting nectar from flowers is not a great tool for catching bugs. Dr. Margaret Rubega, a professor in the Department of Ecology and Evolutionary Biology at the University of Connecticut, has found that the hummingbird offsets the problem of its beak by bending its jaw open and beak downward to enlarge its mouth, presumaby to make insect capture easier

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