Please use this identifier to cite or link to this item: https://biore.bio.bg.ac.rs/handle/123456789/533
Title: Aggression in Flocks of Foraging Shorebirds during Spring Stopover at Delaware Bay, USA
Authors: Novčić, Ivana 
Keywords: horseshoe crab;interference competition;interspecific aggression;migration;shorebirds;species interactions
Issue Date: 1-Mar-2018
Rank: M23
Project: CUNY Doctoral Students Research grant # 6
PSC-CUNY # 65800-00-43
Journal: Waterbirds
Abstract: 
© 2018 The Waterbird Society. All rights reserved. The objective of this study was to examine aggressive behavior of shorebirds during spring stopover on beaches and other stopover habitats in Delaware Bay, New Jersey, USA. More aggressive interactions were observed between members of the same species than between species at all study locations. The incidence of interspecific interactions was higher than previously reported for shorebirds, particularly in Sanderlings (Calidris alba), which directed almost half of their attacks toward members of other species, mainly Semipalmated Sandpipers (Calidris pusilla). Significantly more heterospecific attacks were directed toward smaller competitors (67%) than toward similarly sized (15%) or larger (18%) competitors.
URI: https://biore.bio.bg.ac.rs/handle/123456789/533
ISSN: 1524-4695
DOI: 10.1675/063.041.0110
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