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Montana Field Guide

Montana Field Guides

Great Black-backed Gull - Larus marinus

Native Species

Global Rank: G5
State Rank: SNA

Agency Status

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Copyright by: The Macaulay Library at the Cornell Lab of Ornithology, Ithaca, NY, all rights reserved.
General Description
The Great Black-backed Gull breeds along the east coast of North America from Labrador to North Carolina (Good 1998). This species winters throughout much of its breeding range south along the Atlantic Coast to central Florida as well as the Great Lakes region (Sibley 2014). In Montana, the Great Black-backed Gull has no records over the past decade although historic records exist for this species (Montana Bird Distribution Committee 2012).

For a comprehensive review of the conservation status, habitat use, and ecology of this and other Montana bird species, please see Marks et al. 2016, Birds of Montana.

Species Range

Western Hemisphere Range


Observations in Montana Natural Heritage Program Database
Number of Observations: 4

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density


SUMMER (Feb 16 - Dec 14)
Direct Evidence of Breeding

Indirect Evidence of Breeding

No Evidence of Breeding

WINTER (Dec 15 - Feb 15)
Regularly Observed

Not Regularly Observed


(Observations spanning multiple months or years are excluded from time charts)

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Citation for data on this website:
Great Black-backed Gull — Larus marinus.  Montana Field Guide.  .  Retrieved on , from