Source conservationmagazine.org

For most city dwellers, pigeons are just another speck in the hustle and bustle of urban life and are only truly noticed when they don’t move out of the way fast enough as you stride down the sidewalk. However, for environmental health scientist Rebecca Calisi from the University of California, Davis, pigeons are her primary focus and the basis of her research for potentially finding areas in cites with high level of contaminants dangerous to humans.

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