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Anales del Instituto de la Patagonia

versión On-line ISSN 0718-686X

Resumen

SOTO, Ricardo; RUIZ R, Víctor H  y  VEGA-ROMAN, E. State of knowledge about family Stercoraridae in southern Chile. Anales Instituto Patagonia (Chile) [online]. 2012, vol.40, n.2, pp.83-93. ISSN 0718-686X.  http://dx.doi.org/10.4067/S0718-686X2012000200007.

Chilean skua belongs to a relatively low studied family, and the investigations on this group involve mostly sightings during expeditions for birds in extreme southern of Chile. They are also called "salteadores" (robbers) because of their opportunistic costumes; usually, they are described as big, aggressive and scavenger sea gulls. The term "skua" comes from the faroese "skügver", which means "feather tuft" and from Skúvoy island in the Feroe Islands archipielago, in Norwegin Sea. In Chile there are six species: Stercorarius chilensis Bonaparte 1957, Stercorarius longicaudus Vieillot 1819, Stercorarius antarcticus (Lesson, 1831), Stercorarius maccormicki (Saunders, 1893), Stercorarius parasiticus (Linneo, 1758) y Stercorarius pomarinus (Temminck, 1815), spreading from the Ecuadorian coast to the extreme south, where they have been recorded more frequently. Since 1935 up to now, only thirteen articles registering the presence of any of these species in the extreme south of Chile have been released. Publications on behavior, ecology and phylogeny of these birds are scarce, and they are referred to investigations in Argentina and the northern hemisphere.

Palabras clave : Stercorariidae; Skuas; Extreme south in Southern Chile; State of knowledge.

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