Lead (Pb) and its compounds have been known to man for about 7,000 years, and Pb poisoning has been recognized for at least 2,500 years. All credible evidence indicates that Pb is neither essential nor beneficial to living organisms, and that all...
videography; U.S. Fish and Wildlife Service; waterfowl; birds
HD B-Roll Stock Footage. Produced by the National Conservation Training Center (NCTC) videographers.
• Northern Mockingbird (Mimus polyglottos)
• Eastern Bluebird (Sialia sialis)
• Hermit Thrush (Catharus guttatus)
• Wood Thrush...