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Image Number D476-1

Ecologist Adam Davis holds giant ragweed seeds, a favorite food of rodents and birds. The cage is used to determine the annual proportion of weed seeds eaten by various animals under a canopy of red clover, which may increase weed seed consumption by rodents by hiding them from hawks and other predators.

Photo by Peggy Greb.

640 pixels wide: (d476-1.jpg)

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