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Begging to differ: scrubwren nestlings beg to alarm calls and vocalize when parents are absent

Maurer, Golo; Magrath, Robert D; Leonard, Marty; Horn, Andrew; Donnelly, Christine


Nestling birds face a dilemma: they can increase parental provisioning by begging more intensively, but by doing so may also increase their risk of predation. Nestlings could deal with this dilemma by reducing begging intensity after parents have warned them of a nearby predator. We therefore tested experimentally whether nestling scrubwrens, Sericornis frontalis, increase begging intensity with hunger but reduce it after adult alarm calls. Single 5- and 8-day-old nestlings were temporarily...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
Source: Animal Behaviour
DOI: 10.1006/anbe.2003.2148


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