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- 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


