Vigilance and food intake rate in paired and solitary Zenaida Doves Zenaida aurita

作者: FRANK CEZILLY , ISMAEL KEDDAR

DOI: 10.1111/J.1474-919X.2011.01173.X

关键词: Vigilance (behavioural ecology)ColumbidaeFood intakeZenaida dovesZenaida auritaZoologyForagingEcologyTerritorialityBiology

摘要: We quantified vigilance during feeding in the Zenaida Dove aurita, a tropical species with stable pair-bonds and year-round territoriality. Both males females decreased proportion of time spent vigilant by 30% when their partner compared alone. This reduction was achieved through increasing length inter-scan duration, while scan duration remained constant. No evidence found for coordination between pair members. The equal investment male female Doves might be related to mutual benefits long-term pair-bonding.

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