The shiny cowbird (Molothrus bonariensis) is a passerine bird in the New World family Icteridae. It breeds in most of South America except for dense forests...

Cowbirds are birds belonging to the genus Molothrus in the family Icteridae. They are of New World origin, but some species not native to North America...

hypothesis, eggs of the shiny cowbird parasitizing the house wren and the chalk-browed mockingbird and the brown-headed cowbird parasitizing the house...

increased stress, drained energy, and reduced reproductive success. The shiny cowbird, found in South America, Panama, and the West Indies, is an obligate...

The screaming cowbird (Molothrus rufoaxillaris) is an obligate brood parasite belonging to the family Icteridae and is found in South America. It is also...

medium-large-sized species of cowbird, much smaller than the giant cowbird but substantially larger than the shiny cowbird. Some extant icterids live alongside...

Molothrus Shiny cowbird Molothrus bonariensis Brown-headed cowbird Molothrus ater Screaming cowbird Molothrus rufoaxillaris Giant cowbird Molothrus oryzivorus...

and Sociobiology 61: 497–503. Lichtensten, G. (2001). Low success of shiny cowbird chicks parasitizing rufous-bellied thrushes: chick-chick competition...

only feed them every 10 minutes or so. Brood parasitism, e.g. by the shiny cowbird (Molothrus bonariensis), may occur, and breeding failure due to predation...

hosts to the shiny cowbird (M. bonariensis), with only 10% of nests affected. This may be due to the slightly larger size of shiny cowbirds, which are less...