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+ | {{incomplete}} | ||
+ | [[Image:Pomarine_Jaeger.jpg|thumb|550px|right|Photo by {{user|tcollins|tcollins}} <br />Photographed at Darwin, [[Northern Territory]], [[Australia]]]] | ||
;[[:Category:Stercorarius|Stercorarius]] pomarinus | ;[[:Category:Stercorarius|Stercorarius]] pomarinus | ||
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'''Alternative Name: Pomarine Skua''' | '''Alternative Name: Pomarine Skua''' | ||
==Identification== | ==Identification== | ||
− | + | 53cm including 8cm tail projection of broad twisted streamers<br /> | |
− | + | '''Pale Adult''' | |
+ | *Black cap | ||
+ | *Dark upper parts | ||
+ | *White underneath with brown breast band and flank bars | ||
+ | *White flash on outer wing | ||
+ | '''Dark Adult''' all dusky-brown body<br /> | ||
+ | '''Juveniles''' and '''immature''' variably mottled buff/brown | ||
====Similar Species==== | ====Similar Species==== | ||
* [[Arctic Skua]] | * [[Arctic Skua]] | ||
==Distribution== | ==Distribution== | ||
+ | [[Image:Pomarine_Skua.jpg|thumb|350px|right|Photo by {{user|IanF|IanF}} <br />Dark phased - Photographed at North Gare, Seaton Carew, Cleveland, [[UK]]]] | ||
Far north of Eurasia and [[North America]]. It is a migrant, wintering at sea in the tropical oceans. | Far north of Eurasia and [[North America]]. It is a migrant, wintering at sea in the tropical oceans. | ||
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==Taxonomy== | ==Taxonomy== | ||
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− | |||
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==Habitat== | ==Habitat== | ||
It nests on arctic tundra and islands | It nests on arctic tundra and islands | ||
==Behaviour== | ==Behaviour== | ||
+ | ====Breeding==== | ||
It lays 2-3 olive-brown eggs in grass lined depressions. | It lays 2-3 olive-brown eggs in grass lined depressions. | ||
− | + | ====Diet==== | |
Its diet includes lemmings and other rodents on the breeding grounds. | Its diet includes lemmings and other rodents on the breeding grounds. | ||
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<flashmp3>Stercorarius pomarinus (song).mp3</flashmp3><br /> | <flashmp3>Stercorarius pomarinus (song).mp3</flashmp3><br /> | ||
''[[Media:Stercorarius pomarinus (song).mp3|Listen in an external program]]'' | ''[[Media:Stercorarius pomarinus (song).mp3|Listen in an external program]]'' | ||
+ | ==References== | ||
+ | #Wikipedia | ||
+ | #Birdwatchers Pocket Guide ISBN 1-85732-804-3 | ||
+ | #Collins Pocket Guide to British Birds 1966 | ||
+ | #Collins Field Guid 5th Edition | ||
==External Links== | ==External Links== | ||
{{GSearch|Stercorarius+pomarinus}} | {{GSearch|Stercorarius+pomarinus}} | ||
*[http://www.aviceda.org/abid/birdimages.php?action=birdspecies&fid=41&bid=519 View more images of this species on the ABID] | *[http://www.aviceda.org/abid/birdimages.php?action=birdspecies&fid=41&bid=519 View more images of this species on the ABID] | ||
*[http://www.orientalbirdimages.org/birdimages.php?action=birdspecies&Bird_ID=936&Bird_Image_ID=4529&Bird_Family_ID=102 View more images of this species on Orientalbirdimages] | *[http://www.orientalbirdimages.org/birdimages.php?action=birdspecies&Bird_ID=936&Bird_Image_ID=4529&Bird_Family_ID=102 View more images of this species on Orientalbirdimages] | ||
− | [[Category:Birds]] [[Category:Stercorarius]] | + | [[Category:Birds]] [[Category:Stercorarius]][[Category:Bird Songs]] |
Revision as of 17:30, 22 March 2009
This article is incomplete. This article is missing one or more sections. You can help the BirdForum Opus by expanding it. |
- Stercorarius pomarinus
Alternative Name: Pomarine Skua
Identification
53cm including 8cm tail projection of broad twisted streamers
Pale Adult
- Black cap
- Dark upper parts
- White underneath with brown breast band and flank bars
- White flash on outer wing
Dark Adult all dusky-brown body
Juveniles and immature variably mottled buff/brown
Similar Species
Distribution
Far north of Eurasia and North America. It is a migrant, wintering at sea in the tropical oceans.
Taxonomy
Habitat
It nests on arctic tundra and islands
Behaviour
Breeding
It lays 2-3 olive-brown eggs in grass lined depressions.
Diet
Its diet includes lemmings and other rodents on the breeding grounds.
It will also kill birds up to the size of Common Gull.
Bird Song
<flashmp3>Stercorarius pomarinus (song).mp3</flashmp3>
Listen in an external program
References
- Wikipedia
- Birdwatchers Pocket Guide ISBN 1-85732-804-3
- Collins Pocket Guide to British Birds 1966
- Collins Field Guid 5th Edition