Birds of Mexico - Stercorarius


Long-tailed Jaeger (Stercorarius longicaudus pallescens) Nome, Alaska,
Photograph by Mick Thompson/Eastside Audubon Copyright and usage info This file is licensed under the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported. In short: you are free to share the file for non-commercial purposes under the conditions that you appropriately attribute it, and that you distribute it only under a license identical to this one. You may not alter, transform, or build upon this work.


Long-tailed Jaeger (Stercorarius longicaudus pallescens) Immature United States Immature Long-tailed Jaegers are more grey than other immatures (Birds of Peru).
Photograph by Tim Lenz Copyright and usage info This file is licensed under the Creative Commons Attribution ShareAlike 3.0 License. In short: you are free to share and make derivative works of the file under the conditions that you appropriately attribute it, and that you distribute it only under a license identical to this one.

Has longest central tail feathers (longer than length of tail) of any Jaeger.


South Polar Skua (Stercorarius maccormicki) Pale morph. Image credit: Henry Kaiser, NSF
Photograph by U.S. Government employee (see below) Copyright and usage info This image is a work of a National Science Foundation employee, taken or made during the course of the person's official duties. As a work of the U.S. federal government, the image is in the public domain.


South Polar Skua (Stercorarius maccormicki) Massachusetts, Dark morph. Also note more white on wings than on those of jaegers.
Photograph by François Grenon © All Rights Reserved.

Comes in pale and dark morph. Migrates between the Arctic and Antarctic, so could turn up anywhere.

Parasitic Jaeger (Stercorarius parasiticus)
Germany
Light morph.


Parasitic Jaeger (Stercorarius parasiticus) Barrows, Alaska, Dark morph.
Photograph by budgora Copyright and usage info This file is licensed under the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported. In short: you are free to share the file for non-commercial purposes under the conditions that you appropriately attribute it, and that you distribute it only under a license identical to this one. You may not alter, transform, or build upon this work.


Pomarine Jaeger (Stercorarius pomarinus) Barrows, Alaska,
Photograph by budgora Copyright and usage info This file is licensed under the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported. In short: you are free to share the file for non-commercial purposes under the conditions that you appropriately attribute it, and that you distribute it only under a license identical to this one. You may not alter, transform, or build upon this work.

Largest Jaeger. Black cap extends below bill (Birds of Peru). There is also a dark brown morph.