Inter-breeding movements of little auks Alle alle reveal a key post-breeding staging area in the Greenland Sea

Mosbech, Anders; Johansen, Kasper L.; Bech, Nikolai I.; Lyngs, Peter; Harding, Ann M.A.; Egevang, Carsten; Phillips, Richard A.; Fort, Jerome. 2012 Inter-breeding movements of little auks Alle alle reveal a key post-breeding staging area in the Greenland Sea. Polar Biology, 35 (2). 305-311. 10.1007/s00300-011-1064-4

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Abstract/Summary

Seabirds are important components in marine ecosystems. However, knowledge of their ecology and spatial distribution during the non-breeding season is poor. More investigations during this critical period are required urgently, as marine environments are expected to be profoundly affected by climate change and human activities, with both direct and indirect consequences for marine top predators. Here, we studied the distribution of little auks (Alle alle), one of the most abundant seabird species worldwide. We found that after the breeding season, birds from East Greenland quickly travelled north-east to stay for several weeks within a restricted area in the Greenland Sea. Activity patterns indicated that flying behaviour was much reduced during this period, suggesting that this is the primary moulting region for little auks. Birds then performed a southerly migration to overwinter off Newfoundland. These preliminary results provide important information for the conservation of this species and emphasise the need for further studies at a larger spatial scale.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1007/s00300-011-1064-4
Programmes:	BAS Programmes > Polar Science for Planet Earth (2009 - ) > Ecosystems
ISSN:	0722-4060
Additional Keywords:	Alle alle, Stopover site, Moult, Geolocator, Migration, Inter-breeding distribution
Date made live:	25 Jan 2012 13:34 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/16498

Item Type:

Publication - Article

Digital Object Identifier (DOI):

10.1007/s00300-011-1064-4

Programmes:

BAS Programmes > Polar Science for Planet Earth (2009 - ) > Ecosystems

ISSN:

0722-4060

Additional Keywords:

Alle alle, Stopover site, Moult, Geolocator, Migration, Inter-breeding distribution

Date made live:

25 Jan 2012 13:34 +0 (UTC)