Individual shifts toward safety explain age-related foraging distribution in a gregarious shorebird

Piet J. van den Hout, Theunis Piersma, Job ten Horn, Bernard Spaans and Tamar Lok

Behavioral Ecology, 2017, vol. 28, issue 2, 419-428

Abstract: Lay Summary Young and older animals of a kind often occur at different places. Such spatial segregation by age can emerge from individuals changing habitat as they get older, or from differential survival in different places, with those occupied by adults showing highest survival. Repeated observations of individually color-ringed red knots (a shorebird) showed that their increasingly offshore foraging distribution on the mudflats of Banc d’Arguin (Mauritania) is best explained by individual trajectories of change.Twitter: @vandenhoutpj

Keywords: age; foraging proficiency; habitat use; safety; survival. (search for similar items in EconPapers)
Date: 2017
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