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September 4, 1974

The 1973 distribution and abundance of breeding ospreys in the Chesapeake Bay The 1973 distribution and abundance of breeding ospreys in the Chesapeake Bay

An aerial survey in association with several intensive ground surveys yielded the first estimate of the size of the osprey (Pandion haliaetus carolinensis) nesting population in Chesapeake Bay. The 1973 population was estimated at 1,450 ± 30 pairs, of which 713 were on the western shore and 737 on the eastern shore. A small percentage of nonbreeders (possibly 2-5 percent) may be included...

Authors

Charles Henny, Morton Smith, Vernon Stotts

Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center, Eastern Ecological Science Center, Chesapeake Bay Activities

January 1, 1972

Aerial surveys of waterfowl production in North America, 1955-71 Aerial surveys of waterfowl production in North America, 1955-71

No abstract available.

Authors

Charles Henny, David Anderson, Richard Pospahala

Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center