No they don't.
A mother bird will lay an egg when it has breed with a male bird.
a bird a bird
This is an incomplete question. What type of bird ? Does the mother hen return after 3 days. Normally no mother bird would do that .
This means the eggs of an animal are kept warm by the mother until the young animal or bird is ready to hatch. For example, the mother platypus incubates its eggs by curling around them; the mother echidna incubates its egg by keeping it in a temporary pouch; a mother scrub turkey incubates her eggs by burying them in a mound of earth and twigs and regularly testing the temperature of the mound; the average bird incubates its eggs by sitting on them to keep them warm.
It lays them, then( like other moniters) abandons them.
There are male birds that do share in the sitting and rearing of baby birds.
There is an old myth that handling bird eggs will cause the mother and father bird to reject them. This is not true, at all. As a matter of fact, if you find sparrow eggs and the nest has been destroyed, you could make a new nest and put the eggs in it, and the mother and father birds will be just fine with that.
Brown-headed Cowbird
That bird's eggs. The possessive noun is in bold.
The mother hatches an egg The mother lays the eggs, sits on them to keep them warm while incubating, then feeds them when they hatch out.
A mother hummingbird incubates her eggs for about two weeks. She might incubate her eggs longer in colder climates. This is relatively long for bird incubation.
The father Emu looks after is chicks after the mother has laid her eggs in the nest