Pomarine Jaeger

Stercorarius pomarinus

Order

CHARADRIIFORMES

Family

Skuas and Jaegers (Stercorariidae)

Code 4

POJA

Code 6

STEPOM

ITIS

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ILLUSTRATION

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PHOTOS

CONSERVATION STATUS

Least Concern

The Pomarine Jaeger has a large range, estimated globally at 1,000,000 to 10,000,000 square kilometers. Native to Australia, Europe, Asia, Africa, and the Americas as well as many island nations, this bird prefers grassland, wetland, or marine ecosystems. The global population of this bird is estimated at 50,000 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 Pomarine Jaeger is Least Concern.

IBIRD EXPLORER GENERAL

PHOTO SHARING AND DISCUSSION

BIRD PHOTOGRAPHY

SUMMARY

Overview

Pomarine Jaeger Dark Morph: Large jaeger, dark brown except for white patches near underwing tips and sides of undertail. Light morph has white neck, pale yellow collar, white lower breast, mottled breast band, sides. Thick bill, pale at base. Tail has two long central feathers twisted vertically.


Range and Habitat

Pomarine Jaeger: Circumpolar species found in the Arctic tundra. Breeds in the high northern areas of Alaska and Canada. Winters mostly offshore in the Atlantic and Gulf of Mexico, near the West Indies; in the Pacific, from California south; also off coasts of Africa, southeast Australia, and Central and South America; sometimes found near Hawaii.

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SONGS AND CALLS

Voice Text

"which-yew", "week-week"

INTERESTING FACTS

  • The Pomarine jaeger was first described in 1815 by Coenraad Jacob Temminck, Dutch aristocrat and zoologist. It will fly at the head of a human or other intruder approaching its nest.
  • Successful reproduction occurs only in one of every three or four years in a typical lemming cycle, and only in areas where lemming populations reach high concentrations.
  • A group of skuas are collectively known as a "shishkab" of skuas.

SIMILAR BIRDS

RANGE MAP

CERange Map for Pomarine Jaeger

FAMILY DESCRIPTION

TERMINOLOGY

CREDITS

Author

Gary Owen Dick

Artist

Yury Lisyak

HELP ME IDENTIFY A BIRD

BACKYARD BIRDING

BIRDS AND BIRDING

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BreastX
The upper front part of a bird.
CollarX
Similar to the upper part of the human neck, located at the back of the crown.
UnderpartsX
Belly, undertail coverts, chest, flanks, and foreneck.
UpperpartsX
Back, rump, hindneck, wings, and crown.
PelagicX
The pelagic is a type of bird whose habitat is on the open ocean rather than in a coastal region or on inland bodies of water (lakes, rivers). An example of a pelagic bird is the blacklegged kittiwake.
PrimariesX
The primaries are the flight feathers specialized for flight. They are attached to the "hand" equivalent part of the wing.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X