Species of Thailand
Thai: นกนางนวลขอบปีกขาว, nok naang nuan kob peek khao
Binomial name: Chroicocephalus ridibundus, Carolus Linnaeus, 1766
The black-headed gull (Chroicocephalus ridibundus) is a small gull which breeds in much of Europe and Asia, and also in coastal eastern Canada. Most of the population is migratory, wintering further south, but some birds in the milder westernmost areas of Europe are resident. Some birds will also spend the winter in northeastern North America, where it was formerly known as the common black-headed gull. As is the case with many gulls, it had previously been placed in the genus Larus.
This gull is 38–44 cm (15–17½ in) long with a 94–105 cm (37–41 in) wingspan. In flight, the white leading edge to the wing is a good field mark. The summer adult has a chocolate-brown head (not black, although does look black from a distance), pale grey body, black tips to the primary wing feathers, and red bill and legs. The hood is lost in winter, leaving just 2 dark spots. It breeds in colonies in large reedbeds or marshes, or on islands in lakes, nesting on the ground. Like most gulls, it is highly gregarious in winter, both when feeding or in evening roosts. It is not a pelagic species and is rarely seen at sea far from coasts.
The black-headed gull is a bold and opportunistic feeder and will eat insects, fish, seeds, worms, scraps and carrion in towns, or take invertebrates in ploughed fields with equal relish. This is a noisy species, especially in colonies, with a familiar "kree-ar" call. Its scientific name means "laughing gull".
This species takes two years to reach maturity. First-year birds have a black terminal tail band, more dark areas in the wings, and, in summer, a less fully developed dark hood. Like most gulls, black-headed gulls are long-lived birds, with a maximum age of at least 32.9 years recorded in the wild, in addition to an anecdote now regarded to be of dubious authenticity regarding a 63-year old bird.
In popular culture
- Kehaar from Watership Down
The eggs of the black-headed gull are considered a delicacy by some in the UK and are eaten hard boiled.
In the 1990s, local Broome birder Brian Kane saw a strange species of bird while trawling the local sewer ponds. Upon seeing this bird, he called one of his many bird-watcher friends to verify the species, who confirmed that it was indeed a black-headed gull. This was the first recorded sighting of the species in Australia.
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Videos of Black-headed gull
- Chroicocephalus ridibundus
- Black-headed gull
- Common black-headed gull
- French: Mouette rieuse
- Thai: นกนางนวลขอบปีกขาว, nok naang nuan kob peek khao
- Chroicocephalus ridibundus ridibundus, Les Christidis & Walter E. Boles (2008)
- Larus ridibundus
Least Concern (IUCN3.1)
- Amphawa District, Samut Songkhram
- Ban Laem District, Phetchaburi
- Bang Pu Recreation Centre
- Bangkok Province
- Bueng Boraped Non-hunting Area
- Khao Sam Roi Yot National Park
- Ko Sichang District, Chonburi
- Laem Pak Bia
- Mueang Khon Kaen District, Khon Kaen
- Mueang Phayao District, Phayao
- Mueang Phetchaburi District, Phetchaburi
- Mueang Samut Sakhon District, Samut Sakhon
- Mueang Samut Songkhram District, Samut Songkhram
- Pak Thale
- Samut Prakan Province
- Thale Noi Non-hunting Area
Range map of Chroicocephalus ridibundus in Thailand
Important note; our range maps are based on limited data we have collected. The data is not necessarily accurate or complete.
Special thanks to Ton Smits, Parinya Pawangkhanant, Ian Dugdale and many others for their contribution for range data.
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