城市越冬鸟 · Urban wintering birds

滇池迎来50余只红嘴鸥“先头部队”：亚成鸟怎样辨认、观鸥怎样不打扰

More Than 50 Early Red-billed Gulls Reach Dianchi: Identifying Immatures and Watching without Disturbance

昆明市滇池管理局近日在海洪湿地观测到今年首批50余只红嘴鸥，其中不少为亚成鸟。官方预计后续鸟群将分批抵达，11月前后逐步扩散至更多城市水域。本文提供年龄与相似鸥类辨识、投喂边界和城市观鸥安全；不把首批记录理解为全湖高峰。
Dianchi management staff recently recorded the season's first group of more than 50 Red-billed Gulls at Haihong Wetland, many of them immatures. Officials expect further arrivals in waves and wider dispersal across urban waters around November. This article covers age clues, similar gulls, feeding boundaries and safe city watching without treating the first flock as the lake-wide peak.

发布 Published 2026-10-09 · 来源日期 Source 2026-10-07
More Than 50 Early Red-billed Gulls Reach Dianchi: Identifying Immatures and Watching without Disturbance
适合季节 · SEASON

10月初先头鸟抵达，11月前后数量与分布通常继续扩大，越冬期延续至翌春；以管理部门最新监测为准
Early birds arrive in October, with numbers and distribution usually expanding around November and wintering into spring; follow current management updates

地点范围 · AREA

昆明依法开放的滇池岸线、城市公园和公共观景空间；不进入湿地保育区、芦苇深处或封闭水边
Legally open Dianchi shoreline, city parks and public viewpoints in Kunming; exclude conservation zones, reedbeds and closed waterfronts

涉及鸟种 · SPECIES

红嘴鸥 · Black-headed Gull
Chroicocephalus ridibundus

棕头鸥 · Brown-headed Gull
Chroicocephalus brunnicephalus

中文 · CHINESE

为什么先来50余只不等于观鸥高峰

官方记录说明年度观鸥季已启动，但50余只是先头群，且不少为亚成鸟。后续鸟群仍会分批抵达，并随食物、水位和人流在不同水域移动；11月前后才会逐步扩散至更多常见城市观察区。

计划行程时不要用一天的数字预测整季，也不保证某个岸段持续有鸟。先查最新巡护提示与开放时间，把目标设为观察行为和练习计数，而不是追求近距离合影。

非繁殖羽和亚成鸟怎样看

中文名“红嘴鸥”对应Black-headed Gull。秋冬成鸟头部多为白色、耳后有深色斑，嘴和腿呈红色调；亚成鸟翼上常残留褐色斑纹，嘴腿也可能更暗，不能只靠“红嘴”判断。

棕头鸥等相似鸥类在远距离、换羽期或逆光下可能混淆。结合体型、翼尖黑白图案、初级飞羽、嘴腿色和飞姿，多拍侧面与展翼证据；特征不完整就标为鸥类未定。

文明观鸥比投喂更重要

管理部门提醒文明观鸥、科学投喂并避免追逐惊扰。最稳妥的做法是不把投喂作为吸引鸟靠近的工具；不抛撒油盐加工食品，不向飞行鸟群掷食，不在道路和拥挤岸线制造争抢。

保持岸上固定位置，控制儿童和宠物，镜头不越过护栏。发现受伤、缠线或异常死亡个体，不徒手接触或自行带走，应记录大致位置并联系湿地管理或野生动物救护机构。

ENGLISH · 英文

Why more than 50 early birds are not the peak

The official record marks the start of the annual gull season, but it is an early group of just over 50, many immature. More flocks will arrive in waves and redistribute with food, water and people; broader use of familiar urban waters is expected around November.

Do not project a whole season from one day's figure or guarantee birds at one shoreline. Check current patrol and access notices, and make behaviour observation and counting practice the goal instead of a close selfie.

Reading winter plumage and immatures

The Chinese Red-billed Gull is Black-headed Gull in English. In autumn and winter, adults usually show a white head with a dark ear spot and reddish bill and legs. Immatures often retain brown wing markings and may have darker soft parts, so a red bill alone is not diagnostic.

Brown-headed Gull and other similar gulls can confuse at distance, in moult or backlight. Combine size, black-and-white wingtip pattern, primaries, bill and leg colour, and flight. Photograph side and open-wing evidence where possible; leave an incomplete record as unidentified gull.

Responsible watching matters more than feeding

Managers ask visitors to watch responsibly, feed scientifically and avoid pursuit. The safest choice is not to use food to draw birds closer. Do not scatter salty or oily processed food, throw at flying flocks or create competition beside roads and crowded shores.

Stay at a fixed shore position, control children and pets, and keep equipment behind barriers. For an injured, entangled or abnormally dead bird, avoid bare-hand contact or self-rescue; note the broad location and contact wetland management or a wildlife rescue service.