It is very very rare
The cow bird. The cow bird lays it's eggs in another birds nest, and then when the cow bird's eggs begin to hatch, the baby cow birds will push the other birds out of the nest.
Cuckoos do this.
Yes it does
Flamingos are birds, they lay eggs in a nest that they have prepared for it.
In a nest
No. they lay eggs in their nest
The female Common Cuckoo lays her eggs in other birds nests, like the Reed Warblers and Willow Warblers nests.
Cuckoos and cowbirds are famous for laying their eggs in other birds' nests, and leaving the chicks to be raised by the other birds.
why do all birds build nest
the cuckoo is known to rid a nest of eggs, and lay their own eggs in the nest. Then they leave the original nest owner to raise their young for them.
Most birds nest their eggs. The material from which nests can be constructed depends on the species of bird and the materials available in the area. Robins and eagles are both well known species that nest their eggs.
When birds build a nest the then lay "eggs" in it. The eggs hatch into baby birds and the adults feed these until they are big and strong enough to fly off the nest.