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...
Birds of prey; Raptors; Legislation; Economics; History
A study of the economics of the bald eagle was prompted largely by the need for information to appraise the need for merits of bounty and other legislation affecting the eagle in the territory of Alaska.
Birds of prey; Raptors; Wildlife refuges; Birdwatching;
Ospreys have a wingspan of 4.5-6 ft. length 22-25 in. They are dark brown above, white below, have a white head with a prominent black eye stripe. Females usually have a dark spotted "necklace". This specimen was photographed at William L. Finley...
Birds; Biologists (USFWS); Scientific personnel (USFWS); Population control;
On 12-13 April 1988 a workshop on the analysis of avian population trends was held at the Patuxent Wildlife Research Center in Laurel, Maryland. The workshop was cosponsored by the Branch of Migratory Bird Research of the Patuxent Wildlife...
The Ventana Wilderness Area was the release site for captive-bred endangered species California condors and provides habitat for their survival. For more information about the condor visit http://www.fws.gov/endangered/i/B0G.html
Birds; Birds of prey; Endangered species; Migratory birds; Raptors;
This is a fact sheet describing the peregrine falcon in North America. It outlines the history of the bird, its decline in the mid-twentieth century due to DDT, and its successful recovery in the years since.