花鸟图鉴 › 鸟类

勺嘴鹬

Spoon-billed Sandpiper|ヘラシギ

Calidris pygmaea · 鹬科 Scolopacidae

勺嘴鹬
摄影:MadsSyndergaard,来自 Wikimedia Commons,以 CC BY-SA 3.0 授权。照片未经修改(仅缩放)。
地区
日本与温带东亚、新加坡与热带亚洲
环境
海岸与红树林
颜色
红、白、棕
体型
小型(约 20 厘米以下)
IUCN 等级
极危 (CR)

识别特征

小型涉禽,体长 14 到 16 厘米。最独特的是末端扩展成勺状的嘴,宽 10 到 12 毫米。繁殖羽头、颈和胸红褐色带深褐纵纹,上体黑褐带淡黄和淡锈色羽缘;非繁殖羽上体淡褐灰色,翅覆羽有白色羽缘,下体白,腿黑。叫声是轻柔的「preep」或尖的「wheer」。

栖息环境

繁殖于白令海沿岸低北极到亚北极的苔原;越冬和过境时在海岸泥滩、盐田和虾塘,与红颈滨鹬等小型滨鹬混群,用勺嘴在浅水和软泥表面扫动。

分布

繁殖于西伯利亚东北部楚科奇半岛到堪察加北部;越冬于台湾、华东到孟加拉的沿海泥滩,主要在泰国、缅甸和孟加拉。中国江苏沿海(条子泥、东台)是最重要的迁徙停歇地,新加坡偶有记录。全球成熟个体仅约 240 到 456 只,2008 年起列为极危。

季节与习性

江苏沿海 4 到 5 月和 8 到 10 月过境,秋季停留时间长;华南沿海少量越冬。在成千上万的小型滨鹬里找它靠嘴形,涨潮时集群休息最容易找到。

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。

它是极危物种,第一规则是不干扰:留在堤上,用 600mm 以上加增距镜,让它自己走近。勺嘴只有正面或四分之三角度才看得出,等它抬头的一瞬,1/1600 秒。混群里追焦很难,先锁定它再等。不要为了「干净背景」赶走周围的滨鹬。

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

滩涂上的极小目标;灰色滩涂的一点红。

相似物种

红颈滨鹬(嘴直,繁殖羽颈红但无勺嘴,常混群);其他小型滨鹬在非繁殖羽时只能靠嘴形区分。

相关徽章

暂无。本种还没有经过验证的照片识别,所以没有对应的徽章:图鉴里有名字不等于照片里有证据。

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

Spoon-billed Sandpiper

勺嘴鹬 · ヘラシギ

Calidris pygmaea · Scolopacidae

Spoon-billed Sandpiper
Photo: MadsSyndergaard, via Wikimedia Commons, licensed CC BY-SA 3.0. Unmodified apart from resizing.
Region
Japan and temperate East Asia, Singapore and tropical Asia
Habitat
coast and mangroves
Colour
red, white, brown
Size
small (under about 20 cm)
IUCN status
Critically Endangered
IOC breeding range
PAL (coastal low Arctic to subarctic tundra of ne Siberia: ne, e Chukotskiy Pen. to n Kamchatka Pen. (ne Russia))
IOC non-breeding range
OR : coastal mudflats from Taiwan and ec China to Bangladesh; mainly Thailand, Myanmar and Bangladesh

Identification

A small wader, 14–16 cm long. Its most distinctive feature is the bill, widening into a spatula 10–12 mm across. Breeding adults have a red-brown head, neck and breast with dark streaks and blackish upperparts fringed buff and pale rufous; non-breeders are pale brownish grey above with whitish fringes to the wing coverts, white below, with black legs. Calls are a quiet preep or a shrill wheer.

Habitat

Breeds on low Arctic to subarctic tundra along the Bering Sea coast; on passage and in winter on coastal mud, salt pans and shrimp ponds, mixed with red-necked stints and other small sandpipers, sweeping the spoon through shallow water and soft mud.

Distribution

Breeds from the Chukotka Peninsula to northern Kamchatka in north-east Siberia; winters on coastal mudflats from Taiwan and eastern China to Bangladesh, mainly in Thailand, Myanmar and Bangladesh. The Jiangsu coast of China (Tiaozini, Dongtai) is the most important staging site; occasionally recorded in Singapore. Only about 240–456 mature individuals remain and it has been listed as critically endangered since 2008.

Season and behaviour

On the Jiangsu coast in April–May and August–October, lingering in autumn; a few winter on the south China coast. Among thousands of small sandpipers it is found by bill shape, most easily at high-tide roosts.

Photography tips

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

A critically endangered bird: the first rule is no disturbance. Stay on the bund, use 600 mm or more with a teleconverter, and let it come to you. The spoon shows only head-on or at three-quarters: wait for the moment it lifts its head, 1/1600 s. Tracking it in a mixed flock is hard, so lock on and wait. Never move the surrounding stints for a cleaner background.

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

A tiny target on the flats; one point of red on grey mud.

Similar species

Red-necked stint (straight bill, red neck in breeding plumage but no spoon, often together); other small sandpipers in non-breeding plumage are told only by bill shape.

Related badge

None yet. No validated photo recognition exists for this species, so no badge is tied to it: a name in the encyclopedia is not evidence in a photograph.

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