Results 81 to 90 of about 1,290 (97)
Is behavioural flexibility evidence of cognitive complexity? How evolution can inform comparative cognition. [PDF]
Interface Focus, 2017 Mikhalevich I, Powell R, Logan C.
europepmc +1 more source
A comprehensive taxonomic checklist of bark and ambrosia beetle species (Curculionidae, Scolytinae). [PDF]
ZookeysJohnson AJ +9 more
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Condor, 1996 Bay-winged Cowbirds (Molothrus badius) remove ectoparasitic larvae of botflies from their nestlings and those of their brood parasite, the Screaming Cowbird (Molothrus rufoaxillaris). The host,also removes other ectoparasites like mites. This removal behavior may be one of the factors selecting for the host specific behavior of Screaming Cowbirds, as ...
Rosendo M Fraga
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Journal Fur Ornithologie, 1983
Measurements and descriptions of 239 eggs of Baywinged Cowbirds(Molothrus badius) and of 263 eggs of Screaming Cowbirds(M. rufoaxillaris) are presented; egg identification is ultimately based on nestling identification. Statistical analyses of host and parasite eggs showed no significant differences in measurements, weight and index of size.
Rosendo M Fraga
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Measurements and descriptions of 239 eggs of Baywinged Cowbirds(Molothrus badius) and of 263 eggs of Screaming Cowbirds(M. rufoaxillaris) are presented; egg identification is ultimately based on nestling identification. Statistical analyses of host and parasite eggs showed no significant differences in measurements, weight and index of size.
Rosendo M Fraga
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1998
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 ...
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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 ...
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Roosting Behaviour Is Related to Reproductive Strategy in Brood Parasitic Cowbirds [PDF]
Ibis, 2018 Shiny Cowbirds Molothrus bonariensis and Screaming Cowbirds Molothrus rufoaxillaris are closely related brood parasites but the former is socially polygynous or promiscuous and an extreme host generalist, whereas the latter is socially monogamous and ...
Juan C. Reboreda +2 more
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Automated Radio Tracking Provides Evidence for Social Pair Bonds in an Obligate Brood Parasite
Ibis, 2022Juan C. Reboreda +2 more
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