Volantones de Gorriones Ingleses (Passer domesticus) atendidos por la Mariquita de Puerto Rico (Agelaius xanthomus)
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Resumen: En dos ocasiones en 2002, observamos adultos de Mariquita de Puerto Rico (Agelaius xanthomus) ali- mentando volantones de Gorrión Inglés (Passer domesticus). Investigamos algunos aspectos ecológicos que pudieran sustentar la posibilidad de estas observaciones.
Palabras clave: Agelaius xanthomus, parasitismo, Passer domesticus, Puerto Rico
Abstract: House Sparrow (Passer domesticus) fledglings attended by the Yellow-shouldered Blackbird (Agelaius xanthomus)- On two occasions in 2002 we observed adults of Yellow-shouldered Blackbird (Agelaius xanthomus) feeding fledglings of House Sparrow (Passer domesticus). We investigate several ecological aspects that could explain the likelihood of these observations.
Keywords: Agelaius xanthomus, parasitism, Passer domesticus, Puerto Rico
Résume: Des oisillons de Moineau domestique (Passer domesticus) nourris par le Carouge de Porto Rico (Agelaius xanthomus)- À deux reprises, en 2002, nous avons observé des adultes de Carouge de Porto Rico (Agelaius xanthomus) nourrissant des oisillons de Moineau domestique (Passer domesticus). Nous étudions plusieurs aspects écologiques qui pourraient expliquer ces observations.
Mots clés: Agelaius xanthomus, parasitisme, Passer domesticus, Porto Rico
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