U.S Geological Survey
Concerns Rise Over Known and Potential Impacts of Lead on Wildlife
Seventeen years after nontoxic shot requirements were established for hunting waterfowl, attention has shifted to lead poisoning in other species. These include upland game birds, scavengers (such as vultures, hawks and eagles) and other waterbirds that are exposed to lead through the ingestion of spent lead shot, bullet fragments and fishing sinkers...
source: http://www.nwhc.usgs.gov/disease_information/lead_poisoning/
IOWA Department of Natural Resources
Bald Eagles and Lead Poisoning Fact Sheet
source: http://www.nwhc.usgs.gov/disease_information/lead_poisoning/
source: http://www.nwhc.usgs.gov/disease_information/lead_poisoning/
A YouTube Video by Saving Our Avian Resources:
"A Bluer Shade of Blue"
Written and performed by Chad Elliott
Copyright The Decorah Eagles 2012