Relevant bibliographies by topics / Shiny Cowbird

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters

Academic literature on the topic 'Shiny Cowbird'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Shiny Cowbird"

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Mason, Paul. "Brood Parasitism in a Host Generalist, the Shiny Cowbird: I. The Quality of Different Species as Hosts." Auk 103, no. 1 (1986): 52–60. http://dx.doi.org/10.1093/auk/103.1.52.

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Abstract The Shiny Cowbird (Molothrus bonariensis) of South America, Panama, and the West Indies is an obligate brood parasite known to have used 176 species of birds as hosts. This study documents wide variability in the quality of real and potential hosts in terms of response to eggs, nestling diet, and nest survivorship. The eggs of the parasite are either spotted or immaculate in eastern Argentina and neighboring parts of Uruguay and Brazil. Most species accept both morphs of cowbird eggs, two reject both morphs, and one (Chalk-browed Mockinbird, Mimus saturninus) rejects immaculate eggs b
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Astie, Andrea A., and Juan C. Reboreda. "Creamy-Bellied Thrush Defenses Against Shiny Cowbird Brood Parasitism." Condor 107, no. 4 (2005): 788–96. http://dx.doi.org/10.1093/condor/107.4.788.

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AbstractWe studied Creamy-bellied Thrush (Turdus amaurochalinus) defenses against brood parasitism by Shiny Cowbirds (Molothrus bonariensis). Shiny Cowbirds decrease the reproductive success of Creamy-bellied Thrushes, and having historical habitats and ranges that overlap, we expected that thrushes possess antiparasitic defenses. We analyzed nest attendance during prelaying, laying and incubation; responses to the presentation of a model of a female cowbird or a control species close to the nest; nest abandonment associated with parasitism; and responses to experimental parasitism with white
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Mermoz, Myriam E., and Gustavo J. Fernández. "Breeding Success of a Specialist Brood Parasite, the Screaming Cowbird, Parasitizing an Alternative Host." Condor 105, no. 1 (2003): 63–72. http://dx.doi.org/10.1093/condor/105.1.63.

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Abstract The Screaming Cowbird (Molothrus rufoaxillaris) is a specialized brood parasite that primarily parasitizes the Bay-winged Cowbird, (Agelaioides badius; Screaming Cowbirds parasitize 80–100% of this species' nests). In contrast, the Shiny Cowbird (M. bonariensis) parasitizes more than 200 hosts. According to the differential reproductive success hypothesis, we expect that Screaming Cowbirds would have a lower reproductive success than Shiny Cowbirds when parasitizing other hosts. We assessed the breeding success of the Screaming Cowbird using an alternative host, the Brown-and-yellow M
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Astié, Andrea A., and Juan C. Reboreda. "Costs of Egg Punctures and Parasitism by Shiny Cowbirds (Molothrus Bonariensis) at Creamy-Bellied Thrush (Turdus Amaurochalinus) Nests." Auk 123, no. 1 (2006): 23–32. http://dx.doi.org/10.1093/auk/123.1.23.

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AbstractMost studies on cowbird parasitism have focused on its effects on parasitized nests, whereas few have considered the costs at nests that cowbirds visit but at which they do not lay eggs. Shiny Cowbirds (Molothrus bonariensis) peck and puncture host eggs both in nests where they lay eggs and in unparasitized nests. We analyzed the effect of egg punctures in unparasitized and parasitized nests of a large host, the Creamy-bellied Thrush (Turdus amaurochalinus; hereafter “thrush”), as well as the costs of Shiny Cowbird eggs and chicks in this host’s nests. We determined thrush egg survival
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De Mársico, María C., Mariela G. Gantchoff, and Juan C. Reboreda. "Host–parasite coevolution beyond the nestling stage? Mimicry of host fledglings by the specialist screaming cowbird." Proceedings of the Royal Society B: Biological Sciences 279, no. 1742 (2012): 3401–8. http://dx.doi.org/10.1098/rspb.2012.0612.

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Egg mimicry by obligate avian brood parasites and host rejection of non-mimetic eggs are well-known textbook examples of host–parasite coevolution. By contrast, reciprocal adaptations and counteradaptations beyond the egg stage in brood parasites and their hosts have received less attention. The screaming cowbird ( Molothrus rufoaxillaris ) is a specialist obligate brood parasite whose fledglings look identical to those of its primary host, the baywing ( Agelaioides badius ). Such a resemblance has been proposed as an adaptation in response to host discrimination against odd-looking young, but
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Mermoz, Myriam E., and Juan C. Reboreda. "Reproductive Success of Shiny Cowbird (Molothrus Bonariensis) Parasitizing the Larger Brown-and-Yellow Marshbird (Pseudoleistes Virescens) in Argentina." Auk 120, no. 4 (2003): 1128–39. http://dx.doi.org/10.1093/auk/120.4.1128.

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Abstract Shiny Cowbirds (Molothrus bonariensis) often parasitize larger hosts. It has been proposed that larger hosts are preferred by that parasite because they provide higher reproductive success, but available data are quite variable. We studied the reproductive success of Shiny Cowbirds in nests of Brown-and-yellow Marshbirds (Pseudoleistes virescens), a larger and often multiply parasitized host. To estimate the extent of interspecific competition, we compared the hatching success of parasite eggs in nests with and without reduction of the clutch size of the host as a result of egg punctu
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DOMÍNGUEZ, MARISOL, JUAN CARLOS REBOREDA, and BETTINA MAHLER. "Impact of Shiny Cowbird and botfly parasitism on the reproductive success of the globally endangered Yellow CardinalGubernatrix cristata." Bird Conservation International 25, no. 3 (2014): 294–305. http://dx.doi.org/10.1017/s095927091400015x.

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SummaryThe Yellow CardinalGubernatrix cristatais a globally endangered passerine endemic to southern South America. Although the conservation status of this species is alarming, there is no information about factors that affect its reproductive success. We studied the breeding biology of a Yellow Cardinal population in Corrientes province in north-east Argentina and report reproductive parameters, such as timing of breeding, clutch size, hatching success and chick survival and analyse factors influencing nest survival. The breeding season lasted from October to December with most nesting attem
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Scott, David M. "The time of day of egg laying by the Brown-headed Cowbird and other icterines." Canadian Journal of Zoology 69, no. 8 (1991): 2093–99. http://dx.doi.org/10.1139/z91-292.

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I present data on the time of day of oviposition for 16 species of icterines to evaluate the idea that laying exceptionally early in the morning by the brood parasite, the Brown-headed Cowbird (Molothrus ater), is a specialization for parasitism. This cowbird, the earliest known layer among icterines, typically lays before sunrise (sunrise −9.14 ± 2.52 (SE) min, n = 36). Another brood parasite, the Shiny Cowbird (Molothrus bonariensis), also sometimes lays before sunrise. The best-known nonparasitic icterines, the Red-winged Blackbird (Agelaius phoeniceus) and the Common Grackle (Quisacalus qu
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Villaneda-Rey, Manuela, and Loreta Rosselli. "Abundancia del chamón parásito (Molothrus bonariensis, Icteridae) en 19 humedales de la Sabana de Bogotá, Colombia." Ornitología Colombiana, no. 11 (July 12, 2021): 37–48. https://doi.org/10.59517/oc.e245.

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The Shiny Cowbird (Molothrus bonariensis) is an avian brood parasite that could represent a threat for the survival of some endangered birds. To evaluate this potential problem for threatened or endemic wetland species, we estimated the abundance of Molothrus bonariensis and studied its behavior, its association with vegetation and its interspecific interactions in 19 wetlands located in the Bogotá area, Colombia. We found densities between 0 and 2.24 ind./ha, which are significantly lower than those of the Yellow-hooded Blackbird (Chrysomus icterocephalus), a known host. Urban wetlands presen
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Gloag, Ros, Vanina D. Fiorini, Juan C. Reboreda, and Alex Kacelnik. "Brood parasite eggs enhance egg survivorship in a multiply parasitized host." Proceedings of the Royal Society B: Biological Sciences 279, no. 1734 (2011): 1831–39. http://dx.doi.org/10.1098/rspb.2011.2047.

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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 the risk of host egg loss during subsequent parasite attacks. Chalk-browed mockingbirds ( Mimus saturninus ) are heavily parasitized by shiny cowbirds ( Molothrus bonariensis ), which also puncture eggs in host nests. Mockingbirds struggle to prevent cowbirds puncturing and laying, but seldom remove cowbird eggs once laid. We filmed cowbird visits to nests with manipulated
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Dissertations / Theses on the topic "Shiny Cowbird"

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Gloag, Rosalyn Suzanne. "Brood parasitism by shiny cowbirds." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:b9a9d900-ed14-4bb0-8979-7fd782584f00.

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Brood parasitic birds lay eggs amongst the clutches of other species, which then assume all costs of parental care on their behalf. This thesis addresses several puzzles of avian brood parasitism, using field studies and theoretical modelling of the generalist parasite, the shiny cowbird (Molothrus bonariensis) and select hosts in Argentina. Key findings and conclusions were: • High parasitism intensity in a host population can result in a cost to hosts of removing parasite eggs from their clutches, and so help to maintain host’s acceptance of parasite eggs in evolutionary equilibrium. The cos
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Book chapters on the topic "Shiny Cowbird"

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Mermoz, Myriam E., Alexander Cruz, Jameson F. Chace, and Juan C. Reboreda. "Shiny cowbird (Molothrus bonariensis Gmelin, 1788)." In Invasive birds: global trends and impacts. CABI, 2020. http://dx.doi.org/10.1079/9781789242065.0097.

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Abstract This chapter describes the common terminologies, taxonomy, morphology, geographical distribution, physiology, diet, behaviour, reproduction, habitats, ecology, invasion pathways, environmental impact, control and human use of the shiny cowbird (Molothrus bonariensis).
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Fraga, Rosendo M. "Interactions of the Parasitic Screaming and Shiny Cowbirds (Molothrus rufoaxillaris and M. bonariensis) with a Shared Host, the Bay-Winged Cowbird (M. badius)." In Parasitic Birds And Their Hosts, Studies in Coevolution. Oxford University PressNew York, NY, 1998. http://dx.doi.org/10.1093/oso/9780195099768.003.0009.

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Abstract This chapter deals with the triangular interactions of three avian species currently classified in the genus Molothrus, a system consisting of two brood parasites sharing a host. The host species is the bay-winged cowbird (Molothrus badius), quite different from the other cowbirds because it is nonparasitic, has extensive parental care, and lives in permanent groups that show cooperative breeding (Fraga 1972, 1991, 1992). The screaming cowbird (Molothrus rufoaxillaris) is one of the most specialized avian brood parasites and has M. badius as its only host over most of its range. Lastl
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Smith, James N. M., and Isla H. Myers-Smith. "Brown-Headed Cowbirds." In Parasitic Birds And Their Hosts, Studies in Coevolution. Oxford University PressNew York, NY, 1998. http://dx.doi.org/10.1093/oso/9780195099768.003.0016.

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Abstract Most avian brood parasites use more than one host species (Friedmann 1948, 1960, 1963; Friedmann et al. 1977). Brown-headed and shiny cowbirds (Molothrus ater and M. bonariensis) are extreme generalists among brood parasites, and use a variety of hosts in each habitat and geographic area (Friedmann 1963; Friedmann et al. 1977; Mason 1986; Rothstein 1990). Host use by generalist brood parasites, however, can also vary greatly among areas within a species. Good examples of spatially variable parasitism by the brown-headed cowbird occur in the red-winged blackbird (Agelaius phoeniceus; F
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Kattan, Gustavo H. "Why Do House Wrens Accept Shiny Cowbird Eggs?" In Parasitic Birds And Their Hosts, Studies in Coevolution. Oxford University PressNew York, NY, 1998. http://dx.doi.org/10.1093/oso/9780195099768.003.0011.

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Abstract Because brood parasitism usually depresses reproductive success of the host, hosts are expected to evolve defenses against parasitism (Payne 1977; Rothstein 1990). One such defense is rejection of parasitic eggs. Hosts of parasitic cowbirds (Molothrus spp.) can be classified into two discrete groups, “accepters” and “rejecters,” according to their responses to natural and experimental parasitism (Rothstein 1975a; Mason 1986). Parasitic eggs may be rejected by ejecting the egg, deserting the nest, or constructing a new nest floor over the parasitized clutch.
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Nakamura, Tammie K., and Alexander Cruz. "20. The Ecology of Egg-puncture Behavior by the Shiny Cowbird in Southwestern Puerto Rico." In Ecology and Management of Cowbirds and Their Hosts. University of Texas Press, 2000. http://dx.doi.org/10.7560/777385-022.

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"Shiny Cowbirds." In Cowbirds and Other Brood Parasites. University of Arizona Press, 2023. http://dx.doi.org/10.2307/j.ctv34dm7rk.14.

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Cruz, Alexander, John W. Prather, William Post, and James W. Wiley. "4. The Spread of Shiny and Brown-headed Cowbirds into the Florida Region." In Ecology and Management of Cowbirds and Their Hosts. University of Texas Press, 2000. http://dx.doi.org/10.7560/777385-006.

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