期刊论文详细信息
Ardea | |
The Winter Range of Nearctic Purple Sandpipers Calidris maritima on the East Atlantic Flyway | |
Gunnar Thor Hallgrimsson1  Ron W. Summers3  Brian Etheridge4  Bob (R.L.) Swann2  | |
[1]1 Institute of Biology, ASKJA, University of Iceland, Sturlugata 7, 101 Reykjavik, Iceland and Reykjanes Environmental Research Institute, Gardvegur 1, 245 Sandgerdi, Iceland | |
[2]4 14 St Vincent Road, Tain, Ross-shire, IV19 UR, UK | |
[3]2 Lismore, Mill Crescent, North Kessock, Inverness, IV1 3XY, UK | |
[4]3 Beechgove, Rosehaugh East Drive, Avoch, Ross-shire, IV9 8RE, UK | |
关键词: Winter Range; | |
DOI : | |
学科分类:动物科学 | |
来源: Nederlandse Ornithologische Unie/Netherlands Ornithological Union | |
【 摘 要 】
IcelandhasalargeresidentpopulationofPurpleSandpipersCalidrismaritima,butisalsobelievedtobeawinteringareaforotherpopulationsandisastopoversiteformigrants.TodeterminethewinteringareasofthosethatprepareforwestwardmigrationtotheNearcticinspring,PurpleSandpiperswerecolour-ringedonthecoastofsouthwestIcelandinMay2003and2005.Wesearchedforcolour-ringedbirdsalongthecoastsofIceland,theEuropeanmainlandandBritain,particularlyinwinter2005/06.Outof326markedbirds,82werere-sightedduring2003to2009,ofwhich69wereseenduringwinter(OctobertoMarch)2005/06.Mostsightings(55)inwinter2005/06werefromsouthwestIceland,extendingtheknownwinterrangeofthispopulationtoIceland.ResightingsfromnorthernScotlandconfirmedtheevidencefrombiometricsthatthiswinteringpopulationoriginatesfromtheNearctic.Themaximumnumberofcolour-markedPurpleSandpipersinBritainandIrelandinwinter2005/06wasestimatedatabout65,whichwasapproximatelyaquarterofthemarkedsampleestimatedtobealive.Therefore,themajorityofthecolour-ringedbirdsmusthavewinteredelsewhere,mostlikelyinIceland.TherewasnoevidenceofsexualsegregationaccordingtowhethertheywinteredinIcelandorBritain.However,thosethatwerecolour-ringedbefore15MayweremorelikelytobeseeninIcelandthaninBritain,whereasthosecolour-ringedafter15MayweremorelikelytobeseeninBritain,indicatingthatthemigrationfromBritaintakesplacemainlyaftermid-May.Althoughtherehavebeennoringingrecoveries,biometrydatasuggestthatPurpleSandpipersthatprepareforwestwardmigrationinIcelandinspring,breedinCanada.ThispopulationshowsauniquewinterrangeforawaderthatincludesGreenland,IcelandandnorthwestEuropealongtheEastAtlanticflyway.【 授权许可】
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