For hosts of brood parasitic birds, the costs of parasitism range from diminished nestling growth rate, due to competition with larger and more competitive parasitic offspring (cowbirds ...

Cuckoo catfish trick cichlids into caring for their eggs in a strategy known as brood parasitism. Amid cuts to federal funding, US universities tighten budgets, forcing PhD students and early-career ...

She then swallows one of the eggs that’s been laid there and lays one of her own—a behavior known as brood parasitism. Sometimes potential victims revolt. The parents that inhabit the nest may ...

The brown-headed cowbird (Molothrus ater) in North America is an obligate or generalist brood parasite of over 200 songbirds. Numerous studies show reproductive losses for individual host species (e.g ...

Brown-headed cowbirds (Molothrus ater) are native to North America and commonly referred to as simply cowbirds. They also ...

Besides initiating their nests much like the temporary social parasites, the slave-makers also raid other ant colonies to steal the brood (Figure 3). The pilfered larvae and pupae that are not ...

Research on brood parasites usually focuses on the evolutionary arms race between host and parasite, but findings published this week in Nature highlight the importance of a broader perspective. The ...

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 ...

This data set concerns the possible effects of brood parasitism on the species composition of a songbird community. Your instructor will give you directions about using this file to make figures ...

This year, cicadas from Brood XIV will be seen – and heard – in 13 states, said Gene Kritsky, founder of Cicada Safari, a group that crowdsources and reviews data on cicadas. The noisy ...