The doctor bird uses silk from the spider web to build their nest.
They pick anything they can find which is suitable.
Chimney Swift birds are known for building their nests in chimneys; that's how they get their name. They also build nests in trees but have lost places for their homes due to deforestation.
Bluebirds sometimes build more than one nest, as a diversion to predators.
A nest
It depends how you are using it. If you say "The bird made a nest in the tree" nest is a noun. If you use it like "The bird nested in the birdhouse" then nest is the verb.
example: The bird sat on the nest to warm her eggs.
Yes and they may sometimes use the nest of another bird.
Most birds do not use the same nest year after year. So I would say no.
Usually not. If its still there and its not being used by another bird then they use that to build a new nest. But its extremely rare. If your not entirely sure ask a bird expert. I'm not one personally but I do know a bit or two about general knowledge.
Example: the bird sat on the nest to keep her eggs warm.
the Taylor bird uses its beak to pierce it's nest and its saliva to keep it together
rocks