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The Avian MigrantThe Biology of Bird Migration$
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John Rappole

Print publication date: 2013

Print ISBN-13: 9780231146784

Published to Columbia Scholarship Online: November 2015

DOI: 10.7312/columbia/9780231146784.001.0001

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Postbreeding Period

Postbreeding Period

(p.54) Chapter 3 Postbreeding Period
The Avian Migrant

John H. Rappole

Columbia University Press

This chapter focuses on the postbreeding period in the avian migrant's annual cycle. It first discusses the five principal purposes for the postbreeding period: conduct of the prebasic molt; exploratory movements by juveniles to familiarize themselves with location of feeding and potential breeding areas; prospecting movements by adults anticipatory of the next breeding season; preparation for departure on fall migration; and optimization of feeding strategies to limit predation while engaged in other postbreeding activities. It then considers migratory birds' movements and habitat use during the postbreeding period, along with the duration of their postbreeding period. It also examines the timing and siting of the prebasic molt in relation to other major events in the migrants' life cycle.

Keywords:   postbreeding, annual cycle, postbreeding period, prebasic molt, breeding, migration, feeding, migratory birds, habitat use, life cycle

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