Breeding habitat selection in an obligate beach bird: a test of the food resource hypothesis

Cuttriss, Anna, Maguire, Grainne S., Ehmke, Glenn and Weston, Michael A. 2015, Breeding habitat selection in an obligate beach bird: a test of the food resource hypothesis, Marine and freshwater research, vol. 66, no. 9, pp. 841-846, doi: 10.1071/MF14213.

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Title Breeding habitat selection in an obligate beach bird: a test of the food resource hypothesis
Author(s) Cuttriss, Anna
Maguire, Grainne S.
Ehmke, Glenn
Weston, Michael A.ORCID iD for Weston, Michael A.
Journal name Marine and freshwater research
Volume number 66
Issue number 9
Start page 841
End page 846
Total pages 6
Publisher CSIRO Publishing
Place of publication Melbourne Vic.
Publication date 2015-01-01
ISSN 1323-1650
Summary The food resource hypothesis of breeding habitat selection in beach-nesting birds suggests that birds breed at sites with more prey to meet the increased energetic requirements associated with breeding. We compare prey resources using pitfall traps and core samples at breeding sites and absence sites of the eastern population of hooded plover, Thinornis rubricollis rubricollis, which, in this part of its range, is a threatened obligate beach bird. Breeding sites had higher abundances, equivalent species richness, and different assemblages of invertebrate prey compared with absence sites. Assemblages at breeding sites were characterised by more isopods, and fewer beetles of the family Phycosecidae. Breeding habitat selection by plovers appears to be associated with selection for sites with more food, and any process that degrades food resources at a site (e.g. kelp harvesting or marine pollution events) may reduce the likelihood of occupancy of that site by breeding birds.
Language eng
DOI 10.1071/MF14213
Field of Research 050211 Wildlife and Habitat Management
Socio Economic Objective 960802 Coastal and Estuarine Flora
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2015, CSIRO Publishing
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