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It gets them away from the burden of raising the chick.

The offspring survives at less effort from the parent(s).

For a bird, that's a win.

Evolution.

They aren't the only birds to do it either - one species of duck even does it.

The brown-headed cowbird does it also.

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7y ago

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Related Questions

Which other birds than cuckoos lay eggs in other birds nests?

Nightingale lays eggs in the Crow's Nest.


Where do cukoo lay its egg?

Female cuckoos lay their eggs in the nests of other birds, which then raise the cuckoo chick as their own.


How long does a common cuckoo incubate their eggs?

Common cuckoos do not build their own nests or incubate their eggs. Instead, they lay their eggs in the nests of other bird species and rely on the host bird to incubate the eggs and raise the cuckoo chick.


What kind of birds do not make nests?

Cuckoos and cowbirds lay their eggs in other birds' nests, and leave them for the other bird to raise. Weavers and whydahs (African species) also do this.


What bird never lands?

The cuckoo is the bird which never builds nest. Cuckoos lay their eggs in the nests of other birds and leave the "adopted parents" to raise the cuckoos own chicks.


What is the name of the home birds?

Usually - it would be called a 'nest'. However - cuckoos don't build their own nest to incubate their eggs - they lay their eggs in the nests of other birds - for the 'foster mother' to incubate the eggs instead.


What is the name of the bird home?

Usually - it would be called a 'nest'. However - cuckoos don't build their own nest to incubate their eggs - they lay their eggs in the nests of other birds - for the 'foster mother' to incubate the eggs instead.


What is the home name of bird cuckoo?

Usually - it would be called a 'nest'. However - cuckoos don't build their own nest to incubate their eggs - they lay their eggs in the nests of other birds - for the 'foster mother' to incubate the eggs instead.


Do starlings lay their eggs in other birds' nests?

Yes, starlings are known to lay their eggs in other birds' nests, a behavior known as brood parasitism.


Are owls the only bird that does not weave a nest?

No. Some birds nest on the ground (curlews), some (woodpeckers) make holes in trees and some lay their eggs in other birds nests (cuckoos).


What does the cowbird do when it's ready to lay eggs?

cow birds lay there eggs in other bird's nests.


Why do cukoo's not build nests?

Cuckoo's don't build nests because they are a parasitic species. When the mother is gone, they lay their own eggs in the nest, and the host mother raises the young cuckoo to adolescence. And that is why cuckoos don't build their own nests.