Nest desertion with subsequent renesting is a frequently cited response to parasitism by the
brown-headed cowbird, Molothrus ater, yet the role of desertion as an antiparasite defence …

We conducted a comparative analysis of eight potential correlates of egg rejection in hosts
of the parasitic Brown-headed Cowbird (Molothrus ater) to test the evolutionary equilibrium …

Avian brood parasites, including cuckoos and cowbirds, have multiple negative effects on
their hosts. We analysed the effects of Shiny Cowbird Molothrus bonariensis parasitism on …

Облигатный гнездовой паразитизм зарегистрирован менее чем у 1% видов мировой
фауны птиц. Столь небольшое число видов, для которых характерен такой способ …

The shiny cowbird (Molothrus bonariensis) is a generalist brood parasite that lays either
white-immaculate or spotted egg morphs in eastern Argentina and Uruguay. Some hosts …

Obligate brood parasites neither build their own nests nor rear their offspring. Instead, they
lay their eggs in nests of individuals of other species (hosts) that take care of the parasite's …

Abstract The Brown-and-yellow Marshbird (Pseudoleistes virescens) is a nonterritorial
blackbird with helpers at the nest that inhabits temperate marshy areas and humid …

Obligate brood parasitic birds, such as cowbirds, evade parental care duties by laying their
eggs in the nests of other species. Cowbirds are assumed to avoid laying repeatedly in the …

It is usually accepted that generalist brood parasites should avoid using hosts larger than
themselves because host chicks may outcompete parasite chicks for food. We studied the …

Based on 21,518 km of road surveys, the Argentinian range of the endangered Saffron-
cowled Blackbird Xanthopsar flavus now seems confined to two small and disjunct areas in …