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Parasitic egg rejection decisions of chalk-browed mockingbirds Mimus saturninus are independent of clutch composition
(Springer Heidelberg, 2018-03)
Obligate avian brood parasites lay their eggs in nests of other host species, which assume all the costs of parental care for the foreign eggs and chicks. The most common defensive response to parasitism is the rejection ...
Coevolutionary arms race between a specialist brood parasite, the Screaming Cowbird, and its host, the Grayish Baywing
(Springer, 2019-10)
Interspecific brood parasites exploit the parental care of host species. This exploitation entails fitness costs for the hosts, which favor the evolution of antiparasitic defenses. Host defenses select for counter-defenses ...
Notes on the nesting biology of Gnorimopsar chopi in Argentina and paraguay, with data on cooperative breeding and brood parasitism by screaming cowbirds (Molothrus Rufoaxillaris)Notas sobre la nidificación del Chopí (Gnorimopsar chopi) en Argentina y Paraguay, con datos de cría cooperativa y de parasitismo de cría por el Tordo Pico Corto (Molothrus rufoaxillaris)
(Neotropical Ornithological Society, 2008-12)
Do life-history traits in ancestors of cowbirds predispose them to become brood parasites?¿Predisponen las características de historia de vida de los ancestros de los Molothrus a que éstos se conviertan en parásitos de cría?
(Neotropical Ornithological Society, 2011-12)
– Hamilton & Orians (1965) postularon que el ancestro no parásito de los Molothrus habría acelerado el período de incubación y el crecimiento de sus pichones. Más tarde, al comparar los Molothrus con aves nidificantes, se ...
Dense canopy cover over House Wren (Troglodytes aedon) nests increases latency of brood parasitism by Shiny Cowbirds (Molothrus bonariensis)
(Csiro Publishing, 2012-02)
Obligate brood parasites must find host nests in which to lay their eggs. The search for a suitable host nest is predicted to be more difficult if the host nest is well-concealed by vegetation (nest-concealment hypothesis) ...
Parasites of the shiny cowbird, molothrus bonariensis, and the austral blackbird, curaeus curaeus, (Passeriformes: Icteridae) in ChileParasitas do chupim molothrus bonariensis e do pássaro-preto-austral curaeus curaeus (Passeriformes: icteridae) no Chile
(Brazilian College of Veterinary Parasitology, 2020-11)
Comparative studies of parasites in sympatric bird species have been generally scarce. Parasitic infection/transmission can be spread in a number of ways that suggests possible direct and indirect, horizontal transmission ...
Brood parasite eggs enhance egg survivorship in a multiply parasitized host
(The Royal Society, 2012-05)
Despite the costs to avian parents of rearing brood parasitic offspring, many species do not reject foreign eggs from their nests.We show that where multiple parasitism occurs, rejection itself can be costly, by increasing ...
Brood parasitism disproportionately increases nest provisioning and helper recruitment in a cooperatively breeding bird
(Springer, 2011-12)
Obligate avian brood parasites lay their eggs in nests of other species (hosts), which raise parasitic young. Parasitic nestlings are likely to influence host's parental behaviours as they typically beg for food more ...
Adaptaciones y contraadaptaciones entre el Tordo Pico Corto (Molothrus rufoaxillaris) y el Tordo Músico (Agelaioides badius)Adaptations and counteradaptations between the Screaming Cowbird (Molothrus rufoaxillaris) and the Baywing (Agelaioides badius)
(Asociación Ornitológica del Plata, 2014-12)
Las aves parásitas de cría obligadas explotan el cuidado parental de individuos de otras especies (hospedadores) que crían a la progenie parásita a expensas de su propio éxito reproductivo. Los costos del parasitismo de ...