Typically on a farm.
Well, you would have to ask God, since we really can't answer for him- however, there are two results from this we can share with you. First, it seems to be attractive to the hens, resulting in the cocks being able to attract girlfriends. Second, since the hens are usually the ones to stay on the nest, sitting on eggs to get them to hatch, and the hens do NOT have brightly colored feathers, predators do not see them as easily, and do not eat them. Works out well both ways.
Hens and their chicks stay in their nests.
Technically no, but they generally stay together
chicken chicks will chirp as soon as they hatch, it is a way for them to stay in communication with their mother and other nest mates.
They are for 1) fighting with other roosters to prove his supremacy, and become the leader of the hens. and 2) for aiding hium so stay on the hens when they are mating. Because hens usually dont like it so the rooster needs all the help he can get when trying to stay on long enough to allow successful fertilisation.
Hens can eat most cooked vegetables. Stay away from onions these tend to disagree with the bird.
they stay away from all other animals and they stay healthy.
No. Animals have the pure need to stay alive.
Some hens just aren't built for being broody. Although, if there is continuous disturbance, (ie. noise from the house, other hens trying to lay etc), then this would cause her to leave her clutch.
"http://wiki.answers.com/Q/How_long_does_rholde_island_hens_stay_pregant"
They have them as a warning to other snakes and animals to stay away.
Snakes rattle to advice other animals to stay away from it.