In contrast, chicks of some brood parasitic species (e.g. European Cuckoo, Cuculus canorus) always push the hosts’ eggs or chicks out of the nest, ensuring that the parasite receives the full ...

The common brown-headed cowbird is the most widespread brood parasite in North America. Poly­typic. Length 7.5". A smallish, compact and stocky blackbird with a short and thick-based bill ...

The brown-headed cowbird (Molothrus ater ... additional playback of female chatters to improve likelihood of cowbird detection rates, In addition, nests were sampled (33 in 1996 and 98 in 1997) by ...

ater - the brown-headed cowbird studied here - does ... playback of female chatters to improve likelihood of cowbird detection rates, In addition, nests were sampled (33 in 1996 and 98 in 1997) by ...

For hosts of brood parasitic birds, the costs of parasitism range from diminished nestling growth rate ... mistakenly courting heterospecifics. Brown-headed Cowbirds seem to rely on a combination ...

That said, food and water supplies may also attract birds you don’t want, like the cowbird. Brown-headed cowbirds ... female ...