Cowbirds. They lay their eggs in other birds' nests, creating a hazard for the chicks in the nest, because cowbird chicks are usually stronger than the birds in the nest they hatch in. The parents just try to feed them all and the cowbird gets the most attention.
When bird find mate they will build a nest
The doctor bird uses silk from the spider web to build their nest.
cuckoo i s called lazy bird, because it do not build it's own nest.
There is no such bee species.
in a tree
That's a bird-so a bird best, if you mean how do they build-specify
penguins don't build nests
Yes, some bird species will reuse a nest for their next brood, while others will build a new nest each time.
The Cuckoo is notorious for laying an egg in another bird's nest, leaving the host bird to raise the cuckoo chick. Once the cuckoo chick hatches, it instinctively pushes any unhatched eggs and chicks out of the nest, leaving the cuckoo chick the sole occupant.
three
in a palm tree
maybey