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Bird Details

Gull Like Gull Like

Ring-billed Gull

Larus delawarensis

Ring-billed Gull
copyright Robert Shantz
Length: 18 in. (45 cm)
The most common inland gull species in the southwest, the Ring-billed Gull can show up on any patch of water in cities or rural areas. It feeds on a wide range of food that includes fish, insects, worms, mice, eggs, carrion and garbage. It nests in colonies long the ocean and some isolated inland marshes, often with other gull species, cormorants and terns. The nest is on the ground and lined with grass and feathers. The four-digit banding code is RBGU.

Aerial
Aerial

Mudflat
Mudflat

Open water
Open water

Urban city
Urban city

Marsh / swamp
Marsh / swamp

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Male
Screeching (sound type)
Bird Song
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CR_RBGU_12_120404_S.jpg
Male
Screeching (sound type)
Bird Song

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Be part of Ask A Biologist

by volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteer page to get the process started.