First-year Movements of Yellow-legged Gull (Larus michahellis lusitanius) from the Southeastern Bay of Biscay

被引：26

作者：

Arizaga, Juan ^{[1
,2
]}

Herrero, Alfredo ^{[2
]}

Galarza, Aitor ^{[3
]}

Hidalgo, Jon ^{[4
]}

Aldalur, Asier ^{[2
]}

Cuadrado, Juan F. ^{[2
]}

Ocio, Gorka ^{[4
]}

机构：

[1] Inst Avian Res Vogelwarte Helgoland, D-26386 Wilhelmshaven, Germany

[2] Soc Ciencias Aranzadi, Oficina Anillamiento Aranzadi, E-20014 Donostia San Sebastian, Spain

[3] Serv Conservac & Espacios Nat Protegidos, E-48014 Bilbao, Spain

[4] Soc Ornitol Lanius, E-48009 Bilbao, Spain

来源：

WATERBIRDS | 2010年 / 33卷 / 04期

关键词：

Breeding colonies; darvic rings; Larus michahellis lusitanius; northern Iberia; ringing; sighting data;

D O I：

10.1675/063.033.0403

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

Information on when and where the Yellow-legged Gull (Larus michahellis lusitanius) population breeding in northern Iberia moves throughout the year is lacking. Here, distances and directions of gull movements during their first year of life were elucidated. Data on 2,776 sightings of 728 out of 2,421 gulls banded as chicks in the southeastern Bay of Biscay were analyzed. Overall, most (69.2%) gulls were found less than 50 km from their natal colonies and practically all gulls (95.9%) were found along the coast of northern Iberia, confirming the low mobility of this Yellow-legged Gull population. Distances at which gulls were found did not vary with time, suggesting that stable feeding resources exist across the area used by the population. Received 29 January 2010, accepted 24 March 2010.

引用

页码：444 / 450

页数：7

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