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Leucophaeus atricilla

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A medium-sized (16-17 inches) seagull, the Laughing Gull in summer is most easily identified by its dark gray wings with black tips, black head, dark orange legs, and red bill. In winter, this species loses much of the color on its head and bill, becoming dark-billed with a gray smudge on its crown. Young birds are brownish-gray overall, and are often confused with young gulls of other species. Male and female Laughing Gulls are similar to one another in all seasons. The Laughing Gull breeds along the entire Atlantic coast of the United States, along the Gulf coast from Florida to Texas, and in the West Indies. Populations breeding in the northeast are migratory, wintering further south along the coast of the U.S. or in Mexico, Central America, and South America. Populations breeding in warmer areas are generally non-migratory. Laughing Gulls breed on rocky or sandy islands and beaches by lakes, in marshes, and along the coast. Birds breeding in the tropics may nest on mangrove islands. In general, this species utilizes similar kinds of habitats in winter as in summer. Laughing Gulls eat a variety of foods, including crustaceans, fish, carrion, garbage, and, more rarely, bird eggs. Laughing Gulls are most easily seen foraging for food along sandy beaches. In many coastal areas, this is one of the most common “seagulls,” and may be seen foraging for refuse and carrion on the beach, flying over the water and plunging in to catch fish, or floating on the water’s surface while catching fish with its bill. Laughing Gulls are primarily active during the day.

Threat Status: Least Concern

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Smithsonian Institution
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Reid Rumelt

Leucophaeus atricilla

provided by EOL authors

A medium-sized (16-17 inches) seagull, the Laughing Gull in summer is most easily identified by its dark gray wings with black tips, black head, dark orange legs, and red bill. In winter, this species loses much of the color on its head and bill, becoming dark-billed with a gray smudge on its crown. Young birds are brownish-gray overall, and are often confused with young gulls of other species. Male and female Laughing Gulls are similar to one another in all seasons. The Laughing Gull breeds along the entire Atlantic coast of the United States, along the Gulf coast from Florida to Texas, and in the West Indies. Populations breeding in the northeast are migratory, wintering further south along the coast of the U.S. or in Mexico, Central America, and South America. Populations breeding in warmer areas are generally non-migratory. Laughing Gulls breed on rocky or sandy islands and beaches by lakes, in marshes, and along the coast. Birds breeding in the tropics may nest on mangrove islands. In general, this species utilizes similar kinds of habitats in winter as in summer. Laughing Gulls eat a variety of foods, including crustaceans, fish, carrion, garbage, and, more rarely, bird eggs. Laughing Gulls are most easily seen foraging for food along sandy beaches. In many coastal areas, this is one of the most common “seagulls,” and may be seen foraging for refuse and carrion on the beach, flying over the water and plunging in to catch fish, or floating on the water’s surface while catching fish with its bill. Laughing Gulls are primarily active during the day.

References

  • Burger, Joanna. 1996. Laughing Gull (Leucophaeus atricilla), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/225
  • Larus atricilla. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012.
  • Laughing Gull (Larus atricilla). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012.
  • eBird Range Map - Laughing Gull. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012.

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Smithsonian Institution
bibliographic citation
Rumelt, Reid B. Leucophaeus atricilla. June-July 2012. Brief natural history summary of Leucophaeus atricilla. Smithsonian's National Museum of Natural History, Washington, D.C.
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Robert Costello (kearins)
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Laughing gull

provided by wikipedia EN

The laughing gull (Leucophaeus atricilla) is a medium-sized gull of North and South America. Named for its laugh-like call, it is an opportunistic omnivore and scavenger. It breeds in large colonies mostly along the Atlantic coast of North America, the Caribbean, and northern South America. The two subspecies are L. a. megalopterus — which can be seen from southeast Canada down to Central America — and L. a. atricilla, which appears from the West Indies to the Venezuelan islands. The laughing gull was long placed in the genus Larus until its present placement in Leucophaeus, which follows the American Ornithologists' Union.

Name

The genus name Leucophaeus is from Ancient Greek λευκός : leukós, "white", and φαιός : phaios, "dusky". The specific atricilla is from Latin atra, "black", " unlucky" or "malevolent" and cilla, "tail".[2]

According to the Helm Dictionary of Scientific Bird Names, Linnaeus may have intended to write atricapilla (black-haired), which would have been more appropriate, as the bird has a black head and white tail.[2]

Range

It breeds on the Atlantic coast of North America, the Caribbean, and northern South America. Northernmost populations migrate farther south in winter, and this species occurs as a rare vagrant to western Europe. The laughing gull's English name is derived from its raucous kee-agh call, which sounds like a high-pitched laugh "ha... ha... ha...".[3]

Laughing gulls breed in coastal marshes and ponds in large colonies. The large nest, made largely from grasses, is constructed on the ground. The three or four greenish eggs are incubated for about three weeks.

Description

This species is 36–41 cm (14–16 in) long with a 98–110 cm (39–43 in) wingspan and a weight range[4] of 203–371 grams (7.2–13.1 oz). The summer adult's body is white apart from the dark grey back and wings and black head. Its wings are much darker grey than all other gulls of similar size except the smaller Franklin's gull, and they have black tips without the white crescent shown by Franklin's. The beak is long and red. The black hood is mostly lost in winter.

Laughing gulls take three years to reach adult plumage. Immature birds are always darker than most similar-sized gulls other than Franklin's. First-year birds are greyer below and have paler heads than first-year Franklin's, and second-years can be distinguished by the wing pattern and structure.

Subspecies

The two subspecies are:[5]

Like most other members of the genus Leucophaeus, the laughing gull was long placed in the genus Larus. The present placement in Leucophaeus follows the American Ornithologists' Union.[6][7]

Gallery

References

  1. ^ BirdLife International (2012). "Larus atricilla". IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.old-form url
  2. ^ a b Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. pp. 59, 224. ISBN 978-1-4081-2501-4.
  3. ^ "Laughing Gull (Larus atricilla)". Handbook of the Birds of the World. doi:10.2173/bow.laugul.01. S2CID 216445679. Retrieved 29 October 2018.
  4. ^ "Laughing Gull Identification, All About Birds, Cornell Lab of Ornithology". www.allaboutbirds.org. Retrieved 2020-09-25.
  5. ^ Burger, Joanna (4 March 2020). "Laughing Gull (Larus atricilla)". Birds of the World. doi:10.2173/bow.laugul.01. S2CID 216445679.
  6. ^ "Check-list of North American Birds". North American Classification Committee. American Ornithologists' Union. Retrieved 2009-05-26.
  7. ^ Remsen, J. V. Jr.; C. D. Cadena; A. Jaramillo; M. Nores; J. F. Pacheco; M. B. Robbins; T. S. Schulenberg; F. G. Stiles; D. F. Stot; K. J. Zimmer. "A classification of the bird species of South America". South American Classification Committee. American Ornithologists' Union. Archived from the original on 2009-03-02. Retrieved 2009-05-26.

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Laughing gull: Brief Summary

provided by wikipedia EN

The laughing gull (Leucophaeus atricilla) is a medium-sized gull of North and South America. Named for its laugh-like call, it is an opportunistic omnivore and scavenger. It breeds in large colonies mostly along the Atlantic coast of North America, the Caribbean, and northern South America. The two subspecies are L. a. megalopterus — which can be seen from southeast Canada down to Central America — and L. a. atricilla, which appears from the West Indies to the Venezuelan islands. The laughing gull was long placed in the genus Larus until its present placement in Leucophaeus, which follows the American Ornithologists' Union.

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Wikipedia authors and editors
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