Articles | Volume 13, issue 8
Biogeosciences, 13, 2579–2591, 2016
https://doi.org/10.5194/bg-13-2579-2016

Special issue: Catastrophic reduction of sea ice in the Arctic Ocean...

Biogeosciences, 13, 2579–2591, 2016
https://doi.org/10.5194/bg-13-2579-2016

Research article 29 Apr 2016

Research article | 29 Apr 2016

Foraging segregation of two congeneric diving seabird species breeding on St. George Island, Bering Sea

Nobuo Kokubun et al.

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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (08 Mar 2016) by Toru Hirawake
AR by Nobuo Kokubun on behalf of the Authors (15 Mar 2016)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (21 Mar 2016) by Toru Hirawake
RR by George Hunt (26 Mar 2016)
RR by David Ainley (11 Apr 2016)
ED: Publish as is (12 Apr 2016) by Toru Hirawake
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Short summary
Subarctic climate changes may affect the foraging ecology of top predators. We studied the foraging characteristics of two diving seabirds: common (COMUs) and thick-billed murres (TBMUs). COMUs had smaller wing area, partly used deeper depths with more frequent wing strokes, and used higher trophic prey than TBMUs. The smaller wing of COMUs may facilitate swimming agility so that they can capture more mobile prey. These may lead to their different responses to local marine environmental changes.
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