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Urban Bird Ecology and Conservation$
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Christopher A. Lepczyk and Paige S. Warren

Print publication date: 2012

Print ISBN-13: 9780520273092

Published to California Scholarship Online: May 2013

DOI: 10.1525/california/9780520273092.001.0001

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PRINTED FROM CALIFORNIA SCHOLARSHIP ONLINE (www.california.universitypressscholarship.com). (c) Copyright University of California Press, 2019. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CALSO for personal use.date: 15 October 2019

Post-Fledging Mobility in an Urban Landscape

Post-Fledging Mobility in an Urban Landscape

(p.182) (p.183) Chapter Twelve Post-Fledging Mobility in an Urban Landscape
Urban Bird Ecology and Conservation

Kara Whittaker

John M. Marzluff

University of California Press

Successful movement between isolated habitat patches may be necessary for sensitive bird populations to remain viable in the face of habitat loss and fragmentation from urbanization. We investigated post-fledging movements of four species in relation to land-cover patterns at various spatial scales across the urban gradient of the Seattle (USA) metropolitan area from 2003 to 2005. Juvenile birds varied among species in their mobility and sensitivity to different land-cover types. More impervious developed areas had more consistently negative effects on juvenile mobility than less impervious developed areas, but these effects varied with species and scale. We suggest urban-growth strategies that focus on maximizing the amount of forest cover and minimizing the amount of impervious urban cover.

Keywords:   American robin, Catharus ustulatus, Melospiza melodia, natal dispersal, Pipilo maculatus, post-fledging movements, radio telemetry, song sparrow, spotted towhee, Swainson's thrush, Turdus migratorius

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