Ornithological Science 4, 55–64 (2005). Klippenstine, D. R. & Sealy, S. G. Differential ejection of cowbird eggs and non-mimetic eggs by grassland passerines. Wilson Journal of Ornithology 120 ...

“That is a fancy way of saying that they never build nests and are fully dependent on locating the nests of other birds to deposit their eggs into where the cowbird hopes they will hatch and be ...

A few years ago, he began studying the brown-headed cowbird. Both are among a fascinating group of birds, called brood parasites, that abandon their eggs in the nests of other species, leaving them to ...

The chick is a brown-headed cowbird, a unique species among our passerine avifauna. Cowbirds lay their eggs, usually only one per nest, in the nests of other species of birds and accept no ...