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IguanasBiology and Conservation$
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Allison Alberts

Print publication date: 2004

Print ISBN-13: 9780520238541

Published to California Scholarship Online: March 2012

DOI: 10.1525/california/9780520238541.001.0001

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PRINTED FROM CALIFORNIA SCHOLARSHIP ONLINE (www.california.universitypressscholarship.com). (c) Copyright University of California Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CALSO for personal use.date: 19 September 2021

Sexually Dimorphic Antipredator Behavior in Juvenile Green Iguanas

Sexually Dimorphic Antipredator Behavior in Juvenile Green Iguanas

Kin Selection In The Form Of Fraternal Care?

(p.119) 9 Sexually Dimorphic Antipredator Behavior in Juvenile Green Iguanas

Jesús A. Rivas

Luis E. Levín

University of California Press

This chapter examines sexually dimorphic antipredator behavior in juvenile green iguanas. It suggests that male iguanas react more actively when presented with a model predator and may be more risk-prone than female iguanas who respond less effectively. Males move ahead of the model and sometimes appear from under the refuge. These responses suggest that males could surprise a natural predator, giving them more time to escape. They may also serve to divert the attention of a predator, allowing their siblings the opportunity to escape. Sometimes, male iguanas use their own bodies to shelter female siblings from predators.

Keywords:   sexually dimorphic, antipredator behavior, green iguanas, male iguanas, female iguanas, predators

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