花鸟图鉴 › 鸟类

西伯利亚银鸥

Vega Gull|セグロカモメ

Larus vegae · 鸥科 Laridae

西伯利亚银鸥
摄影:ALAN SCHMIERER,来自 Wikimedia Commons,公有领域 / CC0 授权。照片未经修改(仅缩放)。
地区
日本与温带东亚
环境
海岸与红树林
颜色
白、灰、粉
体型
大型(50 厘米以上)

识别特征

大型鸥,属于银鸥复合体,分类仍有争议。与欧洲银鸥相似,但上体灰色略深;冬季头部密布褐色纵纹,后颈形成一圈「围脖」;腿通常亮粉色;嘴黄色带红点;眼色多变但多为深色,眼圈红。一二龄冬羽全身深褐色斑驳,比蒙古银鸥更深。

栖息环境

海岸、港口、河口、鱼市和垃圾场,冬季在渔港集群,随渔船捡食。

分布

繁殖于西伯利亚中东部北极地区,从泰梅尔到楚科奇、新西伯利亚群岛和白令海的圣劳伦斯岛;越冬于日本、朝鲜半岛和中国东部沿海,是日本冬季渔港最常见的大型鸥之一。新加坡无。

季节与习性

日本和中国东部沿海 11 月到次年 3 月;3 月起头部的褐纹渐消。常与灰背鸥、黑尾鸥等混群停在防波堤和渔船上。

拍摄建议

以下为 FilmAnalysis 编辑的拍摄经验,不是资料来源中的内容。

大型鸥辨识靠细节,拍清楚翼尖的黑白斑和腿色,顺光、水平视角、1/1000 秒。渔港的群体不怕人,用中长焦拍它们在渔船桅杆和缆绳间的构图;清晨鱼市卸货时最热闹。冬羽的褐色「围脖」是识别特征。

拍鸟守则:与鸟保持它不改变行为的距离;不靠近、不公开巢和繁殖地点;不用食物、录音回放或闪光灯引诱;不修剪巢周围的枝叶;在保护区遵守观察区和步道的规定。

适合的摄影风格

渔港的灰白纪实;海鸥与缆绳的几何。

相似物种

蒙古银鸥(头更白,腿色偏黄粉);灰背鸥(上体深石板灰,腿粉);黑尾鸥(小,嘴端黑红,尾有黑带)。

相关徽章

花鸟册里的「海鸥」:当视觉模型在照片里明确认出海鸥并在你评分后解锁。徽章只认到「海鸥」这一层,不区分具体的种,也不会因为这一页存在就解锁。

本页插图为 FilmAnalysis 原创绘制。照片来自维基共享资源,授权和作者见图下说明。

收录缘由:本种来自 《观鸟笔记》物种清单(名称经 IOC 15.2 核对)。名称以IOC 世界鸟类名录 15.2为准,事实依据下列资料来源,照片识别暂不提供。

资料来源

Flora & Birds › Birds

Vega Gull

西伯利亚银鸥 · セグロカモメ

Larus vegae · Laridae

Vega Gull
Photo: ALAN SCHMIERER, via Wikimedia Commons, public domain / CC0. Unmodified apart from resizing.
Region
Japan and temperate East Asia
Habitat
coast and mangroves
Colour
white, grey, pink
Size
large (over 50 cm)
IOC breeding range
PAL (Arctic c, e Siberia from Taimyr to Chukotka, New Siberian Is. (far nc Russia) and St. Lawrence I. (n Bering Sea))
IOC non-breeding range
to coasts of Japan, Korean Pen. and e China

Identification

A large gull of the herring-gull complex whose classification is still debated. Like the European herring gull but slightly darker grey above; in winter the head is heavily streaked brown, forming a collar on the hindneck; the legs are usually bright pink; the bill yellow with a red spot; the eye variable but usually dark with a red orbital ring. First- and second-winter birds are darker and more heavily flecked than the similar Mongolian gull.

Habitat

Coasts, harbours, estuaries, fish markets and refuse tips, gathering in winter in fishing ports and following the boats.

Distribution

Breeds in the Arctic of central and eastern Siberia from the Taymyr to Chukotka, the New Siberian Islands and St Lawrence Island in the Bering Sea; winters on the coasts of Japan, Korea and eastern China and is one of the commonest large gulls in Japanese fishing ports in winter. Absent from Singapore.

Season and behaviour

On the coasts of Japan and eastern China from November to March; the head streaking fades from March. Often with slaty-backed and black-tailed gulls on breakwaters and boats.

Photography tips

These are the FilmAnalysis editors' notes, not content from the sources.

Large gulls are identified by detail: get the wingtip pattern and leg colour sharp, front-lit, at eye level, 1/1000 s. Harbour flocks are tame, so a medium telephoto frames them among masts and ropes; the morning fish landing is the liveliest time. The brown winter collar is the mark to show.

Field ethics: keep a distance at which the bird does not change its behaviour; never approach or publish nest sites; no baiting, playback or flash; never clear vegetation around a nest; follow reserve rules and stay on paths.

Photographic styles

Grey-and-white documentary of fishing ports; gulls and rigging.

Similar species

Mongolian gull (whiter head, yellowish-pink legs); slaty-backed gull (dark slate upperparts, pink legs); black-tailed gull (small, black-and-red bill tip, black tail band).

Related badge

The album badge "a gull" unlocks when the vision model explicitly names a a gull in your photo and you rate the analysis. The badge stops at "a gull": it does not tell species apart, and this page existing unlocks nothing.

The illustration is original FilmAnalysis artwork. The photograph is from Wikimedia Commons; its licence and author are under it.

Why it is listed: this species comes from the Birdwatching Notebook species list (names checked against IOC 15.2). Names follow the IOC World Bird List 15.2; the facts follow the sources below; photo recognition is not offered.

Sources