花鸟图鉴 › 鸟类

红嘴鸥

Black-headed Gull|ユリカモメ

Chroicocephalus ridibundus · 鸥科 Laridae

红嘴鸥
摄影:Andreas Trepte,来自 Wikimedia Commons,以 CC BY-SA 2.5 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、河湖湿地
颜色
白、灰、红
体型
中型(20 到 50 厘米)
IUCN 等级
无危 (LC)

识别特征

小型鸥,体长 34 到 39 厘米,翼展 100 到 110 厘米。夏羽头部巧克力褐色(远看像黑色),颈、下体和尾白色,翅和背淡灰,初级飞羽尖端黑色,嘴和腿红色。冬羽失去深色头罩,只在眼后留下一两个深色斑点。飞行时外侧翅膀前缘有一道白色,是很好的识别特征。

栖息环境

海岸、河口、港口、湖泊、水库、河流和城市水面;繁殖于内陆沼泽和湖泊的集群,越冬时大量聚集在有人喂食的城市水边。

分布

繁殖于古北界的大部分地区,从格陵兰、冰岛、欧洲经俄罗斯到堪察加和库页岛,加拿大东部沿海也有少量繁殖;越冬于南方沿海和内陆。中国东部和日本是最常见的冬候鸥,昆明滇池的越冬群闻名全国;新加坡罕见。

季节与习性

中国东部、日本 10 月到次年 4 月;3 月起头部逐渐换成褐色。越冬期在公园、江边成百上千只集群,追逐游船和行人。

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。

冬季城市里它们几乎不怕人,是练习飞行追焦的最好对象:对着逆光拍半透明的翅膀,或在深色水面前拍白色的身影。头部换羽到一半的 2 到 3 月有「花脸」可拍。不要为了拍照投喂。

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

江边冬日的群像;白色与蓝灰的调子。

相似物种

棕头鸥(略大,夏羽头淡褐,翅尖黑色中有白斑,中国西部和南亚);红嘴巨鸥大得多。

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

Black-headed Gull

红嘴鸥 · ユリカモメ

Chroicocephalus ridibundus · Laridae

Black-headed Gull
Photo: Andreas Trepte, via Wikimedia Commons, licensed CC BY-SA 2.5. Unmodified apart from resizing.
Region
Japan and temperate East Asia
Habitat
coast and mangroves, rivers and wetlands
Colour
white, grey, red
Size
medium (20 to 50 cm)
IUCN status
Least Concern
IOC breeding range
PAL (coastal far s Greenland, inland Iceland, temperate and subarctic w Europe across Russia to Yakutsk region, Kamchatka, Sakhalin (e Russia); in south through Caspian Sea, n Central Asia, n, c Mongolia and ne China; also wc Newfoundland (se Canada))
IOC non-breeding range
AF, IO, OR : to coasts and offshore waters of n Atlantic Canada, se Greenland, North Sea and w Atlantic to Mediterranean and marginal seas; to Canary Is. and wc Africa; Arabian Sea and associated gulfs, n Indian Ocean; w North Pacific coasts from Japan to se China and Philippines; also inland in parts of Africa, Indian Subcontinent and se Asia

Identification

A small gull, 34–39 cm long with a 100–110 cm wingspan. In summer a chocolate-brown hood that looks black at a distance, white neck, underparts and tail, pale grey wings and back, black primary tips, red bill and legs. In winter the hood goes, leaving one or two dark spots behind the eye. A white leading edge to the outer wing in flight is a good field mark.

Habitat

Coasts, estuaries, harbours, lakes, reservoirs, rivers and city waters; breeds in colonies on inland marshes and lakes and gathers in winter wherever people feed birds.

Distribution

Breeds across most of the Palearctic, from Greenland, Iceland and Europe through Russia to Kamchatka and Sakhalin, with a few in coastal eastern Canada; winters on southern coasts and inland waters. The commonest winter gull in eastern China and Japan, famous for the flocks on Kunming's Dian Lake; rare in Singapore.

Season and behaviour

In eastern China and Japan from October to April; the hood starts to return from March. In winter hundreds or thousands gather in parks and along rivers, following boats and walkers.

Photography tips

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

In city winters they are almost tame and the best practice for flight tracking: shoot translucent wings against the light, or white shapes against dark water. Half-moulted hoods in February and March give piebald faces. Do not feed them for pictures.

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

Winter riverside crowds; white and blue-grey tones.

Similar species

Brown-headed gull (slightly larger, pale brown hood in summer, white spots in the black wingtips, western China and South Asia); Caspian gull far larger.

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