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Productivity, pesticides, and management of the Peregrine Falcon in Arizona

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Abstract

In the decade since research commenced with the Peregrine in Arizona, over 60 sites have been identified which historically or presently are occupied by breeding pairs. Productivity was determined for about 120 breeding attempts from 1975-85. Almost all sites, for which productivity information is available for two or more years, have hatched young. Average values for fledging success were ca. 1.4 young/attempt for all active sites and ca. 2.3 young/attempt for successful sites. Eggshell thickness values were highly varied, but few samples reflect thinning sufficient to cause reproductive failure, and the population appears to be increasing slightly. Management practices which can further benefit the falcon include: controlling pesticide use, habitat protection, and information management.

Suggested Citation

Ellis, D.H., 1985, Productivity, pesticides, and management of the Peregrine Falcon in Arizona, chap. of Raptor Research Foundation Symposium on the Management of Birds of Prey. International Meeting. Session 4. , p. 6-7(abs).

Publication type Book chapter
Publication Subtype Book Chapter
Title Productivity, pesticides, and management of the Peregrine Falcon in Arizona
Year Published 1985
Language English
Publisher International Peregrine Conference Twenty-year Anniversary Meeting
Publisher location Sacramento, CA
Contributing office(s) Patuxent Wildlife Research Center
Description Various
Larger Work Type Book
Larger Work Subtype Other Government Series
Larger Work Title Raptor Research Foundation Symposium on the Management of Birds of Prey. International Meeting. Session 4.
First page 6
Last page 7(abs)
Additional publication details