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Stercorarius longicaudus
Also known as: Long-tailed Skua
Diet
Lemmings and small rodents on breeding grounds, fish and offal at sea
Habitat
Open ocean, offshore waters on passage
Range
Arctic tundra breeder, winters at sea off southern oceans
Clutch size
2 eggs
Incubation period
About 24–27 days
Size
Medium (48–53cm, plus long tail streamers)
Wingspan
~105–117cm
Weight
~230–350g
The slightest and most falcon-like of the skuas, with elongated central tail feathers, seen only very rarely in Bornean waters as a passage migrant far from its Arctic breeding grounds.
Chases terns and smaller seabirds for food at sea during migration, otherwise feeding on lemmings and insects on the tundra, and almost never recorded close to shore in the region.