I believe are called incubating birds, because they are incubating the eggs!
Yes you can use brood as a verb to talk about birds incubating their eggs. But I think that is not common most people talk about birds sitting on eggs not brooding on eggs.
There are male birds that do share in the sitting and rearing of baby birds.
When birds lay eggs they usually sit on them and keep them warm. Just like when a human is pregnant, our baby stays warm inside our body. If we freeze to death outside, our baby would die. If the eggs aren't kept at the temperature of the parents they wont be warm enough and they baby birds will not grow inside.
Fossil dinosaurs nests have been found with dinosaurs sitting on their nests like birds do. This is not surprising as our modern day birds are descended from raptor dinosaurs.
they are not bad they don't have powerthey call them angry birds because they are mad at the pig for stilling there eggs
the female will be sitting in the nest box all day and the male is out side the cage garding the eggs from outside the breeding box.
yes birds lay eggs
All birds lay eggs.
the humming birds are eggs because it is a bird All of the kind of birds is hatched from eggs
Perched in a tree like all perching birds. The mother may sleep a little while sitting on her eggs, but birds do not build nests for themselves. they only build them for raising young.
Birds lay eggs!
Yes, all birds lay eggs.