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dc.contributor.advisorBird Picó, Fernando J.
dc.contributor.authorVicenty, Mayra
dc.description.abstractAbstract- Aspects of the breeding biology of the Yellow Warbler (Dendroica petechia) and Shiny Cowbird (Molothrus bonariensis) parasitism were studied in Boquerón, Puerto Rico from 2001 to 2002. Fifty-seven percent (n = 12) of warbler nests were parasitized. Survival of parasitized nests was lower than non-parasitized nests. Thirty-four percent of nests (n = 21) survived until fledging of cowbird or warbler chicks, with predation the major cause of nest failure (88%). Nineteen nests fledged warbler young and two nests fledged cowbird young, but no nest fledged warbler and cowbird young simultaneously. The Yellow Warbler presented three responses toward parasitism: acceptance and incubation, egg burial, and nest desertion. No warbler young fledged from nests that accepted parasitism. Nests with buried cowbird eggs fledged an average of 2.00 ± 1.41 warbler chicks. This study shows that the Yellow Warbler in Puerto Rico expressed anti-parasite strategies three decades after first contact with the Shiny Cowbird.en_US
dc.description.abstractResumen- Se estudiaron aspectos de la biología reproductiva del Canario de Mangle (Dendroica petechia) y del parasitismo del Tordo Lustroso (Molothrus bonariensis) en Boquerón, Puerto Rico, desde 2001 hasta 2002. Cincuenta y siete porciento (n = 12) de los nidos de canario fueron parasitados. La supervivencia de los nidos parasitados fue menor que la de los nidos no parasitados. Treinta y cuatro porciento (n = 21) de los nidos sobrevivió hasta que volaron pichones de tordo o canario, siendo la depredación la principal causa de pérdidas de nidos (88%). Juveniles de canario volaron de 19 nidos y juveniles de tordo volaron de dos nidos, pero de ningún nido volaron juveniles de canario y de tordo simultáneamente. El Canario de Mangle presentó tres respuestas al parasitismo: aceptación e incubación, enterramiento de huevos y abandono del nido. Ningún juvenil de canario voló de nidos que aceptaron el parasitismo. Los nidos con huevos de tordo enterrados volaron un promedio de 2.00 ± 1.41 juveniles de canario. Este estudio muestra que el Canario de Mangle en Puerto Rico expresó estrategias antiparásitas luego de tres décadas del primer contacto con el Tordo Lustroso.en_US
dc.description.sponsorshipPersonnel and volunteers of the Yellow-shouldered Blackbird Recovery Project of the Puerto Rico Department of Natural and Environmental Resources United States Fish and Wildlife Service Puerto Rican Ornithological Society and BirdLife Internationalen_US
dc.subjectYellow Warbler (Dendroica petechia)en_US
dc.subjectShiny Cowbird (Molothrus bonariensis)en_US
dc.subjectWarbler nestsen_US
dc.subjectParasitized nestsen_US
dc.subjectNon-parasitized nestsen_US
dc.subjectBreeding biologyen_US
dc.subject.lcshYellow warbler--Parasites--Puerto Rico--Boquerónen_US
dc.subject.lcshYellow warbler--Breeding--Puerto Rico--Boquerónen_US
dc.subject.lcshMolothrus--Puerto Rico--Boquerónen_US
dc.subject.lcshBrood parasitesen_US
dc.titleYellow Warbler (Dendroica Petechia) breeding biology and parasitism by the Shiny Cowbird (Molothrus Bonariensis) in Boquerón, Puerto Ricoen_US
dc.rights.licenseAll rights reserveden_US
dc.rights.holder(c) 2006 Mayra Vicentyen_US
dc.contributor.committeeTossas-Cavalliery, Adrianne G.
dc.contributor.committeeLewis, Allen R.
dc.contributor.representativeVentosa-Febles, Eduardo A.
dc.contributor.collegeCollege of Arts and Sciences - Sciencesen_US
dc.contributor.departmentDepartment of Biologyen_US

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