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Ecología alimentaria del Picaflor Cometa <i>Sappho sparganura</i> en la provincia de Córdoba, Argentina

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Author(s)
Montaldo, Norberto H.

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URI
http://hdl.handle.net/20.500.12424/713614
Online Access
http://digital.bl.fcen.uba.ar/gsdl-282/cgi-bin/library.cgi?a=d&c=publicaciones/hornero&d=008_ElHornero_v014_n01y02_articulo015
Abstract
Se estudió la alimentación invernal y estival del Picaflor Cometa (<i>Sappho sparganura</i>) en tres localidades de las sierras de Córdoba. Este es el único picaflor que permanece en invierno en la provincia y a lo largo del año realiza desplazamientos altitudinales siguiendo la floración de diferentes especies. Aunque utiliza en forma indistinta plantas nativas e introducidas, incluso no especializadas para la ornitofilia, interactúa fuertemente con cinco especies indígenas: todas ellas son ornitófilas y <i>S. sparganura</i> sería un elemento importante para su reproducción. No obstante ello, en dos de los sitios una planta exótica (<i>Chaenomeles lagenaria</i>) fue la que posibilitó la permanencia del picaflor en los inviernos más fríos.
Summer and winter foraging of the Red-tailed Comet (<i>Sappho sparganura</i>) was studied in three sites in the Córdoba mountain range. This is the only hummingbird species overwintering in the province. Along the entire year it does altitudinal movements looking for different blooming plants. Although the Red-tailed Comet does not discriminate between native or introduced plants, feeding even on non-ornithophilous ones, it strongly interacts with five indigenous species. All of them are ornithophilous species and the hummingbirdís visits would be important for reproduction of these plants. However, in two of the sites an exotic species (<i>Chaenomeles lagenaria</i>) was the most important resource allowing overwintering of the Red-tailed Comet in colder years.
Date
1995-07
Type
info:eu-repo/semantics/article
Identifier
oai:snrd:008_ElHornero_v014_n01y02_articulo015
http://digital.bl.fcen.uba.ar/gsdl-282/cgi-bin/library.cgi?a=d&c=publicaciones/hornero&d=008_ElHornero_v014_n01y02_articulo015
Copyright/License
info:eu-repo/semantics/openAccess
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