Relative importance of local enhancement as a search strategy for breeding seabirds: an experimental approach

During the breeding season, seabirds may use many behavioural strategies to reduce the time and energy spent searching for patchily distributed prey. Seabirds breeding at a large colony on the northeast Newfoundland coast (Funk Island), primarily common murres, Uria aalge, and northern gannets, Moru...

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Bibliographic Details
Published in:Animal behaviour 2015-08, Vol.106, p.71-78
Main Authors: Bairos-Novak, Kevin R., Crook, Kevin A., Davoren, Gail K.
Format: Article
Language:English
Subjects:
Animal behavior
Animal reproduction
Atlantic puffin
Birds
capelin
common murre
decoy
Foraging behavior
foraging behaviour
Fratercula arctica
local enhancement
Mallotus villosus
memory
Morus bassanus
northern gannet
Ornithology
Predation
search strategy
Uria aalge
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Summary:During the breeding season, seabirds may use many behavioural strategies to reduce the time and energy spent searching for patchily distributed prey. Seabirds breeding at a large colony on the northeast Newfoundland coast (Funk Island), primarily common murres, Uria aalge, and northern gannets, Morus bassanus, predominantly feed on capelin, Mallotus villosus. Within foraging ranges, high-abundance capelin aggregations can be predictably located at deep-water (
ISSN:0003-3472
1095-8282
DOI:10.1016/j.anbehav.2015.05.002