Thayer's Gull

Larus thayeri

Order

CHARADRIIFORMES

Family

Gulls, Terns, Skimmers (Laridae)

Code 4

THGU

Code 6

LARTHA

ITIS

ILLUSTRATION

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PHOTOS

CONSERVATION STATUS

Least Concern

The Thayer's Gull has a large range, estimated globally at 900,000 square kilometers. Native to Greenland, the United States, Canada, and Mexico, this bird prefers subtropical or tropical shrubland, grassland, or forest ecosystems. The global population of this bird has not been determined but does not show signs of decline that would necessitate inclusion on the IUCN Red List. For this reason, the current evaluation status of Thayer's Gull is Least Concern.

SUMMARY

Overview

Thayer's Gull: Having had full species status since 1973, as of 2017, the AOU considers this gull to be a subspecies of the Iceland Gull and has lumped it there. To see this please jump to the Iceland Gull species account. New subspecies range maps for this bird will be available in the next iBird update at which time we will retire the Thayer’s Gull as it’s own species.

 

Range and Habitat

Thayer's Gull: Nests on high rocky cliffs in the Arctic islands and north coast of Northwest Territories and extreme northern Greenland. In winter, they are usually found in bays, meadows, and beaches on the Pacific coast, from Alaska to the Baja Peninsula. They occasionally wander east to the Great Lakes region.

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Thayer's Gull SONGS AND CALLS

Similar Sounding


Voice Text

"kuc-kuc-kuc-kuc-kuckle-kuckle", "hiyak, hiyak, hiyak-hiyak"

INTERESTING FACTS

  • The Thayer's Gull has become a more common winter visitor to the Great Lakes and the East Coast, but whether increasing reports are due to eastward movement of the species or to more birders being aware of this rare gull is not known.
  • Both the common and species names honor ornithologist John Eliot Thayer.
  • This bird has variously been considered a species of its own, a subspecies of the Herring Gull, a subspecies of the Iceland Gull, and even a hybrid of the two. At the moment, it is treated as a species.
  • A group of gulls has many collective nouns, including a "flotilla", "gullery", "screech", "scavenging", and "squabble" of gulls.

SIMILAR BIRDS

RANGE MAP NORTH AMERICA

About this North America Map

This map shows how this species is distributed across North America.

FAMILY DESCRIPTION

TERMINOLOGY

CREDITS

Author

Artist

Samira Belous

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