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Flights of fear: a mechanical wing whistle sounds the alarm in a flocking bird

Hingee, Mae; Magrath, Robert D


Animals often form groups to increase collective vigilance and allow early detection of predators, but this benefit of sociality relies on rapid transfer of information. Among birds, alarm calls are not present in all species, while other proposed mechanisms of information transfer are inefficient. We tested whether wing sounds can encode reliable information on danger. Individuals taking off in alarm fly more quickly or ascend more steeply, so may produce different sounds in alarmed than in...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Proceedings of the Royal Society of London Series B: Biological Sciences
DOI: 10.1098/rspb.2009.1110


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