Slaty-backed Gull

Larus schistisagus

Order

CHARADRIIFORMES

Family

Gulls, Terns, Skimmers (Laridae)

Code 4

SBGU

Code 6

LARSCH

ITIS

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ILLUSTRATION

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PHOTOS

CONSERVATION STATUS

Least Concern

The Slaty-backed Gull has a large range, estimated globally at 100,000 to 1,000,000 square kilometers. Native to Japan, China, Korea, the Russian Federation, the United States and Canada, this bird prefers rocky areas and neritic, intertidal and coastal marine ecosystems. The global population of this bird is estimated at 25,000 to 100,000 individuals and does not show signs of decline that would necessitate inclusion on the IUCN Red List. For this reason, the current evaluation status of the Slaty-backed Gull is Least Concern.

IBIRD EXPLORER GENERAL

PHOTO SHARING AND DISCUSSION

BIRD PHOTOGRAPHY

SUMMARY

Overview

Slaty-backed Gull: This large gull has a slate-gray back, white head, belly, tail, and upper wings; dark outer primaries separated from mantle by row of white spots. Gray underside of primaries; broad white trailing edge to wings. It has pink legs and feet, yellow eyes with red orbital ring and a yellow bill with red spot near tip. Diet includes fish, crustaceans and insects. Sexes are similar.


Range and Habitat

Slaty-backed Gull: Breeds in northeastern Eurasia. Winters from the Bering Sea and Kamchatka south to Japan and the coast of eastern China. Regularly wanders to the Aleutian Islands and coast of western Alaska; there is at least one inland record for the United States. Breeds on cliffs and rocky islands.

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SONGS AND CALLS

Voice Text

"kaaw", "klaaw"

INTERESTING FACTS

  • The Slaty-backed Gull is also called the Pacific Gull, though this also applies to a southern hemisphere species, Larus pacificus.
  • The first confirmed breeding record for Alaska and North America was from Aniktun Island in July 1996.
  • The total world breeding population is estimated at 131,300 pairs.
  • A group of gulls has many collective nouns, including a "flotilla", "gullery", "screech", "scavenging", and "squabble" of gulls.

SIMILAR BIRDS

RANGE MAP

CERange Map for Slaty-backed Gull

FAMILY DESCRIPTION

TERMINOLOGY

CREDITS

Author

John Schwarz

Artist

Yury Lisyak

HELP ME IDENTIFY A BIRD

BACKYARD BIRDING

BIRDS AND BIRDING

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BellyX
The ventral part of the bird, or the area between the flanks on each side and the crissum and breast. Flight muscles are located between the belly and the breast.
MantleX
The upper surface of the back and wings covered with shorter feathers.
Outer primariesX
The outer primaries are the primary feathers on the wing farthest from the body. They often appear to be the longest feathers on the wing.
PrimariesX
The primaries are the flight feathers specialized for flight. They are attached to the "hand" equivalent part of the wing.
Lower mandibleX
The lower part of the bill.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X