Chicks of parasitic bird species move more in the egg than other species, to build up the strength to overcome other rival chicks once they've been born, a University of London-led study shows.

They examined 750 host birds such as American robins, 42 brood parasites such as common cuckoos, and 1,985 other species whose nests aren’t parasitized, such as house sparrows.

Parasitic birds 'exercise' in their eggs, hatch … and then pulverize their nestmates. News. By Nicoletta Lanese published 26 October 2021 When you purchase through links on our site, we may earn ...

Breaching another bird’s nest is the parasite’s first move. Sometimes this is accomplished via deception: The female cuckoo-finch (Anomalospiza imberbis), for example, ...

While brood parasites occur among birds, fish and insects, the mechanics of this vary; typically, with birds, the brood parasite will lay its eggs in another bird's nest when that bird isn't looking.

Cuckoo mafia: Host birds only tolerate parasitic eggs in their nests when they fear retaliation Date: May 18, 2016 Source: Max-Planck-Gesellschaft ...

In today’s Health Alert, a ban on relocating birds in Michigan due to the bird flu outbreak is raising concerns about Swimmer ...

Pet birds are lively companions and make households much brighter with their tunes. However, they can also be hugely susceptible to various parasites that can directly impact their health and well ...