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Why come back home? Breeding-site fidelity varies with group size and parasite load in a colonial bird

Brown, Charles R ; Roche, Erin A ; Brown, Mary Bomberger

Animal Behaviour, October 2017, Vol.132, pp.167-180 [Peer Reviewed Journal]

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  • Title:
    Why come back home? Breeding-site fidelity varies with group size and parasite load in a colonial bird
  • Author: Brown, Charles R ; Roche, Erin A ; Brown, Mary Bomberger
  • Description: Fidelity to a past breeding site is widespread among animals and may confer both costs and benefits. Colonial species occur at specific sites that can accommodate multiple breeders, and the choice of whether to return to last year's site or disperse elsewhere can affect colony site use, the colony size distribution and individual fitness. For the colonial cliff swallow, , which occupies colonies of widely different sizes, we used a 30-year field study in western Nebraska to investigate how the extent of infestation by ectoparasites and colony size affected breeders' colony site fidelity between years. We compared philopatry at colonies where parasitic swallow bugs, , had been removed by fumigation with that at nonfumigated sites exposed to natural levels of ectoparasites. About 25% of birds at nonfumigated colonies returned to their previous year's site, whereas about 69% of birds at fumigated colonies did so. Site fidelity was greatest...
  • Is Part Of: Animal Behaviour, October 2017, Vol.132, pp.167-180
  • Identifier: ISSN: 0003-3472 ; E-ISSN: 1095-8282 ; DOI: 10.1016/j.anbehav.2017.08.009
  • Subjects: Cliff Swallow ; Coloniality ; Dispersal ; Ectoparasitism ; Group Living ; Habitat Selection ; Petrochelidon Pyrrhonota ; Philopatry ; Site Fidelity ; Social Behaviour ; Veterinary Medicine ; Zoology ; Psychology
  • Language: English
  • Source: ScienceDirect Journals (Elsevier)

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