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How to be fed but not eaten: nestling responses to parental food calls and the sound of a predator's footsteps

Magrath, Robert D; Pitcher, Benjamin James; Dalziell, Anastasia

Description

Nestling birds could minimize the risk of being overheard by predators by becoming silent after parental alarm calls, begging only when parents arrive with food, and independently assessing cues that a predator is nearby. Begging only to parents is challenging because young that respond quickly can be more likely to be fed, so there is a benefit of using subtle cues of parental arrival, potentially leading to erroneous begging. Parents might reduce the risk of error by giving food calls...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
URI: http://hdl.handle.net/1885/50852
Source: Animal Behaviour
DOI: 10.1016/j.anbehav.2007.01.025

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