Stercorariidae
Stercorarius longicaudus Vieillot, 1819
Stercorarius longicaudus Vieillot, 1819
Stercorarius longicaudus is the smallest skua species, with distinct identifying features for adults and tricky-to-identify juveniles.
Stercorarius parasiticus (Linnaeus, 1758)
Stercorarius parasiticus (Linnaeus, 1758)
Stercorarius parasiticus, the parasitic jaeger, is a small migratory skua that breeds in northern Eurasia and North America.
Stercorarius pomarinus (Temminck, 1815)
Stercorarius pomarinus (Temminck, 1815)
Stercorarius pomarinus (pomarine jaeger) is a medium-large jaeger with three plumage morphs, often hard to distinguish from parasitic jaegers.
Stercorarius chilensis Bonaparte, 1857
Stercorarius chilensis Bonaparte, 1857
This is a description of the Chilean skua, Stercorarius chilensis, covering its appearance, distribution, habitat, and reproductive behavior.
Stercorarius maccormicki H.Saunders, 1893
Stercorarius maccormicki H.Saunders, 1893
Stercorarius maccormicki, the south polar skua, is a large migratory seabird that breeds on Antarctic coasts.
Stercorarius skua (Brünnich, 1764)
Stercorarius skua (Brünnich, 1764)
Stercorarius skua, the great skua, is a large brown seabird with distinct physical traits that can be tricky to tell apart from related southern hemisphere skuas.
Stercorarius antarcticus (R.Lesson, 1831)
Stercorarius antarcticus (R.Lesson, 1831)
Stercorarius antarcticus, the brown skua, is the heaviest skua, with documented size, weight, and unexpected cognitive and social behavior toward humans.
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