Laying eggs in the nests of the same species (common in ducks).
In some species, the parasite chick will literally push the host’s eggs or smaller chicks out of the nest to ensure its own survival. The PGD954 Connection: Genetic Warfare? pgd954 tour of out chunky brood parasite in be full
Through a process of , host birds develop better "egg rejection" skills, while parasites develop better "forgery" skills. If a parasite egg looks "full" and legitimate—matching the color and speckling of the host—the heist is successful. The Strategy: How They Get Away With It Laying eggs in the nests of the same
The female parasite watches the host build a nest. pgd954 tour of out chunky brood parasite in be full