The effect of polychlorinated biphenyls on the song of two passerine species. by Sara DeLeon, Rayko Halitschke, Ralph S Hames, André Kessler, Timothy J DeVoogd, André A Dhondt

“…We non-lethally investigated total PCB loads, congener specific PCB profiles, and songs of black-capped chickadees (Poecile atricapillus) and song sparrows (Melospiza melodia) along a historical PCB gradient at the Hudson River in New York State. Our results indicate that black-capped chickadees and song sparrows have higher total blood PCBs in regions with higher historic PCB contamination. …”
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