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vol.75 issue2Terrestrial vertebrates of the Río Clarillo National Reserve, central Chile: representation and conservation author indexsubject indexarticles search
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Revista chilena de historia natural

Print version ISSN 0716-078X


JAKSIC, FABIAN M; IRIARTE, J. AGUSTÍN  and  JIMENEZ, JAIME E.. The raptors of Torres del Paine National Park, Chile: biodiversity and conservation. Rev. chil. hist. nat. [online]. 2002, vol.75, n.2, pp.449-461. ISSN 0716-078X.

Fifteen raptor species (Falconiformes and Strigiformes) breed and other two may breed in Torres del Paine National Park (Chilean Patagonia), the highest raptor species richness documented in Chile. Accounts for each raptor species in Torres del Paine are provided, including information on weight, habitat, diet, residence, conservation, and miscellaneous observations in the Park. We compare raptor species richness in Torres del Paine with well studied localities in central and northern Chile, and speculate on causes for the higher raptor diversity observed in the Park. Raptor macroniches in Torres del Paine are assessed, describing primarily their use of two major habitat types and nine food resources. We examine food-niche relationships for a subset of four mammal-eating raptors, in light of their different ecologies and body sizes. A monitoring program for raptors in Torres del Paine is proposed, under the rationale that these indicator species may help foresee impending disruptions of basic ecosystem processes that determine the relatively pristine conditions still prevailing in the Park

Keywords : Falconiformes; Strigiformes; Chile; Patagonia; diet; weight; habitat use; niche relationships.

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