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Article
Kevin S. Ellison, Auteur ; Vanina D. Fiorini, Auteur ; Ros Gloag, Auteur ; Spencer G. Sealy, Auteur
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Ashleigh M. Westphal, Auteur ; Spencer G. Sealy, Auteur
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Daniela Campobello, Auteur ; Spencer G. Sealy, AuteurDans Bird Study (56 2009)Capsule Cuckoos in Italy support the 'host preference' hypothesis. Aims To identify the species parasitized in a Mediterranean area, in Italy; to quantify the frequency of parasitism on each host species; and to determine whether some species an[...]
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Dwight R. Klippenstine, Auteur ; Spencer G. Sealy, Auteur
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Todd J. Underwood, Auteur ; Spencer G. Sealy, Auteur
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Justin L. Rasmussen, Auteur ; Spencer G. Sealy, AuteurBrown-headed Cowbirds (Molothrus ater) impose costs on their hosts, usually resulting in fewer or no host young being raised. In 95% of the studies where attempts were made to estimate the cost of parasitism, cost was measured as the difference [...]
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Melanie F. Guigueno, Auteur ; Spencer G. Sealy, AuteurWe reviewed information on nest sanitation (nest cleaning) by passerine birds because the act of cleaning nests is thought to be associated with egg rejection by hosts of brood parasites, and yet there has been no synthesis of the literature on [...]
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Parameters of brown-headed cowbird Molothrus ater egg discrimination in warbling vireos Vireo gilvus
Todd J. Underwood, Auteur ; Spencer G. Sealy, AuteurWe examined which egg parameters warbling vireos Vireo gilvus use to discriminate brown-headed cowbird Molothrus ater eggs and, by comparing our results to other studies, tested the prediction that ejecter species with eggs more similar in appea[...]
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Diane LH Neudorf, Auteur ; Katherine E. Sears, Auteur ; Spencer G. Sealy, Auteur
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Kevin Ellison, Auteur ; Spencer G. Sealy, AuteurBrood parasites often must overcome host defenses that may include behaviors that serve other functions, such as deterrence of predators and nest attendance during laying and incubation. Host use by brood parasites may also be influenced by comp[...]
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Todd J. Underwood, Auteur ; Spencer G. Sealy, AuteurMany hosts of obligate brood parasites accept parasitic eggs despite the high costs of parasitism. Acceptance is particularly perplexing in brown-headed cowbird (Molothrus ater) (hereafter "cowbird") hosts because the eggs of cowbirds and most h[...]
