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Avian InvasionsThe Ecology and Evolution of Exotic Birds$
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Tim M. Blackburn, Julie L. Lockwood, and Phillip Cassey

Print publication date: 2009

Print ISBN-13: 9780199232543

Published to Oxford Scholarship Online: September 2009

DOI: 10.1093/acprof:oso/9780199232543.001.0001

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The Evolution of Exotic Birds

The Evolution of Exotic Birds

Chapter:
(p.215) 9 The Evolution of Exotic Birds
Source:
Avian Invasions
Author(s):

Tim M. Blackburn

Julie L. Lockwood

Phillip Cassey

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199232543.003.0009

This chapter considers patterns of evolution in exotic bird populations. Evidence is presented that exotic birds have evolved in their phenotypes over the relatively short time spans in which they have been established in their new locations. Some of the shifts observed are entirely consistent with macroevolutionary patterns observed amongst native bird species; others are more curious and require reconsideration of some long-held views of evolutionary dynamics. The chapter notes the great potential for research on the evolution of exotic birds to provide insight into basic evolutionary theory and the role of evolution in the impacts of all invasive species.

Keywords:   climatic shifts, house sparrow, house finch, body size, migration, coloration, competition, predation, parasitism, mutualism

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