Hosts of brood parasites defend their nests against parasitism by aggression and subsequently, if parasitized, by rejection of the parasite egg or nestling. Cuckoos have evolved plumage mimicry with ...

Beauty is in the eye of the beholder—even if that beholder is a barn swallow. Depending on where the birds live, some of them ...

According to life history theory, reproduction is costly, and increased parental effort can lead to reduced survival and fecundity. Animal parents are thus expected to balance trade-offs between ...

This is a preview. Log in through your library . Abstract Early life ecological conditions have well-documented short-term effects on offspring phenotype and survival, but the extent to which these ...

The U.S. Fish and Wildlife Service made their final decision to demolish the Bri-Mar Stable that has been the focus of protests by activist group Save Our Swallows because the barn is home to what is ...