Osprey Nesting Success along the Choptank River, Maryland

Osprey Nesting Success along the Choptank River, Maryland

Nesting success of ospreys along the Choptank River, Maryland, was studied from 1968 through 1971. A total of 96 nesting attempts was observed; 86 of these were accessible for study. In the accessible nests, 80 young were fledged for an average of .93 young per nest. This average is among the best i...

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Veröffentlicht in:Chesapeake science 1972-09, Vol.13 (3), p.233-235
1. Verfasser: Reese, Jan G.
Format: Artikel
Sprache:eng
Schlagworte:
Animal nesting
Bird nesting
Breeding
Depopulation
Eggs
Eggshells
Mortality
Nesting sites
Pesticides
Population estimates
Short Papers and Notes
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Zusammenfassung:Nesting success of ospreys along the Choptank River, Maryland, was studied from 1968 through 1971. A total of 96 nesting attempts was observed; 86 of these were accessible for study. In the accessible nests, 80 young were fledged for an average of .93 young per nest. This average is among the best in the country, but slightly below that estimated for population stability. Known causes for loss of nests, eggs, and young are documented. Nesting success is compared with other osprey populations in the United States.
ISSN:0009-3262
DOI:10.2307/1351075