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Montana Animal Field Guide

Montana Field Guides

Herring Gull - Larus argentatus

  • Herring Gull
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Global Rank: G5
State Rank: SNA

Agency Status
USFWS: none
USFS: none
BLM: none
CFWCS Tier: 3
PIF: none
 

General Description
Adults have white heads, necks and body; the head and sides of breast streaked dusky brown in winter. Light gray back and wings with a black wing-tips. Bill yellow to light orange and pink feet.

General Distribution
Montana Range



Western Hemisphere Range

 


Summary of Observations Submitted for Montana
Number of Observations: 175

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

Recency

Breeding
(direct evidence "B")

Breeding
(indirect evidence "b")

No evidence of Breeding
(transient "t")

Overwintering
(regular observations "W")

Overwintering
(at least one obs. "w")


 

(Records associated with a range of dates are excluded from time charts)



Habitat
Mainly islands and areas around water. Sometimes found in rocky or sandy cliffs; occasionally on rooftops near water.

Food Habits
Diet consists of marine invertebrates, fishes, insects, other seabirds, and adults, eggs, and young of congeners.

Reproductive Characteristics
Single brooded species with three eggs per clutch. Incubation period 24-28 days. Young able to fly 35 days after hatch.

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Citation for data on this website:
Herring Gull — Larus argentatus.  Montana Field Guide.  Retrieved on February 9, 2010, from http://FieldGuide.mt.gov/detail_ABNNM03120.aspx
 
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