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(Redirected from Stercorarius antarcticus antarcticus)
Alternative names: Southern Skua, Subantarctic Skua, Antarctic Skua, Falkland Skua
Size: 52-64 cm (20Â½-25Â¼ in), wing 35.5-40.2 cm, wingspan 126-160 cm, females on average are larger in most measurements, most noticeably in wing length.
Other races are larger, darker and less streaked above. Juveniles uniformly dark.
This species has been placed in the genus Catharacta with the other large skuas (Sibley & Monroe, 1993; Clements, 2000).
Older texts and some current field guides will treat Brown Skua as a part of Great Skua.
There are 3 subspecies:
The subspecies lonnbergi has been treated as a full species Stercorarius lonnbergi by some authorities.
Pelagic. Inland (during breeding season)
Oct-Nov onwards, on flat grassy areas or short grass heaths. Nest is an unlined or sparsely so, scrape. 1-2 eggs, incubated 28-32 days, young leave nest within 1-2 days and fledge in 40-50 days. Sexual maturity at six years.
Scavenger at refuse tips, predates penguin eggs and chicks and burrow nesting seabirds at night.
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