Cowbirds are birds belonging to the genus Molothrus in the family Icteridae. They are of New World origin, but invasive to North America, and are obligate...

The brown-headed cowbird (Molothrus ater) is a small, obligate brood parasitic icterid native to temperate and subtropical North America. It is a permanent...

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...

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

The giant cowbird (Molothrus oryzivorus) is a large passerine bird in the New World family Icteridae. It breeds from southern Mexico south to northern...

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

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

The bronzed cowbird (Molothrus aeneus), once known as the red-eyed cowbird, is a small icterid. They breed from the U.S. states of California, Arizona...

bronze-brown cowbird (Molothrus armenti) is a species of bird in the family Icteridae. It was long thought to be an isolated population of bronzed cowbird. Because...

The convex-billed cowbird (Pandanaris convexa) is an extinct species of bird in the family Icteridae, described in 1947 by Alden H. Miller. It is the...