Birds
File:Larus atlanticus1.jpg

Olrog's Gull

Olrog's Gull

100
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Spotted
Olrog's Gull is a rare and localized medium-sized gull endemic to the Atlantic coast of Argentina, characterized by its dark back, dark red bill, and red legs. It is an endangered species.
Where to spot
Endemic to the Atlantic coast of Argentina, breeding in coastal lagoons and islands, and wintering along the same coast, sometimes ranging north to southern Brazil.
How to spot
Look for its dark grey mantle, red bill, and red legs. It is superficially similar to other gulls but its restricted range and endangered status make it a special sighting requiring careful identification.
When to spot
Best observed during the breeding season (austral spring/summer) when concentrated at colonies. Can be seen year-round along the Argentinian coast.
File:Larus atlanticus1.jpg
File:Larus atlanticus 109401912.jpg
File:Larus atlanticus 257673232.jpg
File:Larus atlanticus 269379317.jpg
File:Larus atlanticus 300598227.jpg
File:Larus atlanticus 366990310.jpg
File:Larus atlanticus DCS.jpg
File:Olrog's Gull (Larus atlanticus) (15957215161).jpg
File:Larus atlanticus1.jpg
Credits: Wikimedia Commons
File:Larus atlanticus 109401912.jpg
Credits: Wikimedia Commons
File:Larus atlanticus 257673232.jpg
Credits: Wikimedia Commons
File:Larus atlanticus 269379317.jpg
Credits: Wikimedia Commons
File:Larus atlanticus 300598227.jpg
Credits: Wikimedia Commons
File:Larus atlanticus 366990310.jpg
Credits: Wikimedia Commons
File:Larus atlanticus DCS.jpg
Credits: Wikimedia Commons
File:Olrog's Gull (Larus atlanticus) (15957215161).jpg
Credits: Wikimedia Commons
This species has a highly restricted breeding range, primarily nesting on small coastal islands and salt marshes, making it particularly vulnerable to disturbance.
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