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Montana Animal Field Guide

Montana Field Guides

Herring Gull - Larus argentatus

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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.

Distribution
Montana Range




Observations in Montana: 84

Montana Counties
Broadwater, Carbon, Cascade, Chouteau, Deer Lodge, Fergus, Flathead, Garfield, Granite, Lake, Lewis and Clark, Liberty, Lincoln, Madison, McCone, Meagher, Missoula, Phillips, Ravalli, Roosevelt, Rosebud, Sanders, Sheridan, Stillwater, Toole, Valley, Wheatland, Yellowstone



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 July 4, 2009, from http://FieldGuide.mt.gov/detail_ABNNM03120.aspx
 
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