The Ring-billed Gull

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An Opportunistic Bird

The Ring-billed Gull is a highly social bird. They occupy large colonies, especially during breeding season. They are a playful bird and can be seen dropping objects while flying just to swoop down and catch it again. They are also an opportunistic bird. They will steal food from other birds as well as unsuspecting beach goers.

Don't confuse me with the Herring Gull.

Description 

The Ring-billed Gull is a medium-sized gull measuring 16 inches in length with a 4 foot wingspan. Its head, neck, chest and belly are white while its wings and back are a silver-gray. As its name suggests, its beak is a bright yellow with a black ring near the tip. Like the beak, its legs are yellow, and its eyes are yellow rimmed in red. During the winter its plumage is streaked with brown, and it takes three years for a young Ring-billed Gull to achieve its adult plumage.

Ring-billed Gull molts in the fall taking on their brown streaked plumage at that time.

Range and Habitat 

The Ring-billed Gull's breeding range covers a large territory. During the summer it can be seen throughout Canada, along the Great Lakes Region, and across northern New England. It migrates southward for the winter settling along the Atlantic coast as far south as Cuba, or the Pacific coast between British Columbia and Mexico. Some will take up residence along the Gulf of Mexico as well.

Their breeding habitat is usually near lakes and rivers, and occasionally along the coastline. They are often referred to as "Sea Gulls," but they are not the gulls often seen by sunbathers along the beach.

Mating and Nesting 

The Ring-billed Gull usually nests in colonies on small islands in lakes often sharing the space with other gulls and terns. It is not uncommon for a nest site to have as many as 1,000 pairs of Ring-billed Gulls.
The female will lay two to four eggs in a reed and rush lined hollow in the ground. Both adults incubate the eggs for three to four weeks. The chicks are fed regurgitated food by both parents and usually leave the nest within a few days. They usually fledge at four to five weeks of age.

It is not certain if the Ring-billed Gull starts breeding at two years of age or three, but they do not gain their adult plumage until the third year.

If the nest site is threatened, the Ring-billed Gulls will ban together often mobbing the predator in an effort to drive it away.

Diet 

The Ring-billed Gull is an opportunistic feeder, often called scavengers. They will eat almost anything they find, insects, seeds, grain and garbage. If they come across another bird's nest, they will eat both the chicks and the eggs. They are often seen scavenging in parking lots, feasting on human refuse and litter.

The Ring-billed Gull hangs around fast food restaurants scavenging for food thus earning the nickname Fast Food Gull.

Voice 

The Ring-billed Gull's voice has a hoarse, scratchy quality to it. Its voice is high pitched, and loud. It starts with a long high squeal, several abrupt calls, and ends with a long drawn out slur. Its flight call is a high, thin keeeel, keeel, keel.

Ring-billed Gulls 

Ring-billed Gull, another look by Manjith Kainickara

Ring-billed Gull, an...

qWestern Gull OIH 11-28-09 by THE Holy Hand Grenade!

qWestern Gull OIH 11...

Nictitating membrane of a Ring-billed gull by Alan Vernon.

Nictitating membrane...

Head shot of an adult  Ring-billed gull by Alan Vernon.

Head shot of an adul...

Ring-billed gull in non breeding plumage by Alan Vernon.

Ring-billed gull in...

Ring-billed Gull by Manjith Kainickara

Ring-billed Gull

automatically generated by Flickr

Conservation Status 

There was a decline in the number of Ring-billed Gulls in the late 1800's when they were hunted for their feathers. The population recovered and has grown beyond their original numbers. They are an opportunistic bird. They often feed on refuse left by human, and will even steal unattended food from beach-goers.

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Lizzy's Gulls and Waders 

Peterson's Field Guide to North American Birds 

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Peterson's Field Guide to Birds is an absolute must have for anyone with an interest in watching the birds.

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About the Author 

Lensmaster ElizabethJeanAllen has been a member since March 16 2008, has rated 4,024 lenses, favorited 445, and has created 203 lenses from scratch. Lizzy Jean donates their royalties to Squidoo Charity Fund. This member's top-ranked page is "2009 Hallmark Keepsake Ornaments". See all my lenses

Why Birds Do That  

Why Birds Do That: 40 Distinctive Bird Behaviors Explained & Photographed

Amazon Price: $10.85 (as of 12/28/2009)Buy Now

Birds are fascinating. Their behavior is complex, often comical. Some sing while others do not. Why Birds Do That explains forty distinctive bird behaviors and is enhanced with numerous photographs. It is a must have book for both the backyard bird watcher as well as the avid birder.

Resources used to construct this page. 

Dunn, J.L. & Alderfer, J., Editors. 2006. National Geographic Field Guide to the Birds of North America, Fifth Edition. National Geographic Society.

Peterson, T.P. & Peterson, V.M. 2002. Birds of Eastern and Central North America, Fifth Edition. Houghton Mifflin Company, New York, N.Y.

Cornell Lab of Ornithology
Animal Diversity Web

All of the pictures used on this lens are either my own or from Wikipedia.com

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