Analysis of body mass changes in the Black-Headed Gull (Larus ridibundus) during the winter

被引：8

作者：

Ushine, Nana ^{[1
]}

Sato, Tatsuo ^{[2
]}

Kato, Takuya ^{[1
]}

Hayama, Shin-ichi ^{[1
]}

机构：

[1] Nippon Vet & Life Sci Univ, Lab Wildlife Med, 1-7-1 Kyonan Cho, Musashino, Tokyo 1808602, Japan

[2] Friends Gyotoku Bird Observ NPO, 4-22-11 Hukuei, Ichikawa, Chiba 2720137, Japan

来源：

JOURNAL OF VETERINARY MEDICAL SCIENCE | 2017年 / 79卷 / 09期

关键词：

Black-Headed Gull; body mass change; Larus ridibundus; migration; wintering period; MIGRATION; FAT; RESERVES; PLASMA;

D O I：

10.1292/jvms.17-0099

中图分类号：

S85 [动物医学（兽医学）];

学科分类号：

0906 ;

摘要：

During the autumn migration of many waterfowls, body mass is lowest upon arrival at the wintering area and gradually increases during the winter. Consequently, body mass is highest before the spring migration. We studied the pattern of body mass changes in the Black-Headed Gull (Larus ridibundus) from December 2010 to December 2016 in the Shinhama area of Chiba, Japan. Based on 327 captured animals, body mass increased during the wintering period, but tended to decrease before migration. In 2014-2016, a muscle mass reduction in females was observed, explaining the change in body mass. However, the observed weight loss may be caused by many factors, which may be related to the migratory ecology of the regional population.

引用

页码：1627 / 1632

页数：6

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