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Article
D. G. McMaster, Auteur ; D. L. H. Neudorf, Auteur ; S. G. Sealy, Auteur ; T. E. Pitcher, AuteurWe documented the time of day of laying and the total time spent on the nest chiring laying (laying bout) in 21 species of passerine birds and the brood-parasitic Brown-headed Cowbird (Molothrus ater) at Delta Marsh, Manitoba, between 1989 and 1[...]
Article
B. D. Peer, Auteur ; S. G. Sealy, AuteurIn this study, we tested whether conspecific brood parasitism (CBP) has selected for egg rejection behavior in the colonial Great-tailed Grackle Quiscalus mexicanus. No evidence of CBP was recorded at 797 Great-tailed Grackle nests, and we did n[...]
Article
T. J. Underwood, Auteur ; S. G. Sealy, Auteur ; C. M. McLaren, AuteurBrown-headed Cowbird (Molothrus ater) parasitism on pewees (Contopus spp.) is uncommon or rare in North America, suggesting that pewees sympatric with cowbirds either reject cowbird eggs or are not selected by cowbirds for parasitism, or that co[...]
Article
S. G. Sealy, AuteurThe time of day of laying and the intervals between successive eggs in clutches of the Black-billed Cuckoo (Coccyzus erythropthalmus) have been incompletely documented. With observations bracketing the laying time of eggs, I determined that six [...]
