Western Gull juvenile (Larus occidentalis) {!--서부갈매기(북미)--> From the U.S. Fish and Wildlife Service's online digital media library. 
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Metadata 
Title: Juvenile Western Gull  
Alternative Title: Larus occidentalis  
Creator: Karney, Lee  
Source: Wo-Lee Karney-3329 
Publisher: U.S. Fish and Wildlife Service 
Contributor: DIVISION OF PUBLIC AFFAIRS 
Language: EN - ENGLISH 
Rights: (public domain) 
Audience: (general) 
Subject: Birds, Bird, Seagulls, Gulls
 
 Description 
Table Of Contents: First winter bird is one of the darkest young gulls; bill is black, distinguished from young Herring Gulls by contrast of dark back with paler rump. Juvenile is like first-winter but darker. Western Gulls are casual inlanders.  
 
 Date 
Available: April 05 2004 
Issued: March 26 2004 
Modified: April 05 2004