Similarly, the model is the host of a brood parasite in the second case.

He published 17 books and was noted for study of Avian brood parasites.

They are brood parasites, laying their eggs in the nests of other species.

This usually excludes the case of birds feeding brood parasites.

About half of avian brood parasites do just that.

They are brood parasites, similar in life-style to the Cuckoo.

Parasitism for the individual (the brood parasite) also has significant drawbacks.

It is a brood parasite, laying its eggs in the nests of other birds.

The Common Cuckoo is sometimes a brood parasite of this species.

Brood parasites (such as the Cuckoo) induce other species to raise their young.

For brood parasites - birds that lay eggs in other birds' nests - the situation is different.

Although most birds are monogamous, promiscuity is not unusual among brood parasites.

These species are obligate brood parasites, meaning that they only reproduce in this fashion.

The species is the largest brood parasite in the world, and the largest cuckoo.

It is a brood parasite, using the nests of bulbuls and babblers.

As its relatives, the Pacific Koel is a brood parasite.

These brood parasites selfishly exploit their hosts parents and host offspring.

Most avian brood parasites will remove a host egg when they lay one of their own in a nest.

Brood parasites include the cowbirds and many Old World cuckoos.

It is a brood parasite on small babblers.

The ability of the cuckoo to lay its egg so quickly is a major adaptation of brood parasites.

As well as looking like their host's young, the chicks of some brood parasites also sound like them.

An exception are cowbirds, which are significant brood parasites.

Unlike many Old World cuckoos, coucals are not brood parasites.

Unlike some other cuckoos the Yellowbill is not a brood parasite, instead it cares for its own young.