Do pigeons need nest?

Pigeons generally need nests when breeding.There are many types of birds, some can make nests, some do not, some will make the nests on the tree, and some will be in the tree cave.If it is raised artificially, you can give the male and female bird a nest after breeding so that they can give them eggs in the nest.Outside of the breeding period, they usually do not lie on the nests, but choose to stand in other places to rest.