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Larus marinus (Great Black Backed Gull) is a species of birds in the family Laridae. They are found in The Neotropics, The Nearctic, and the palearctic. They are diurnal omnivores. Individuals can grow to 165 cm. They have parental care (pair provides care). They rely on flight to move around.

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EOL has data for 46 attributes, including:

Known occurrences, collected specimens and observations of Great black-backed gull. View this species on GBIF