Barn Owls don't technically live IN barns;they roost.Barns are near a open field and it is a cool place (cool as in the temperature).
yes, to keep away mice.
yes they like to live in warm barns up near the top
because they eat the mice and feed off the bushes
in a barn. they are called farm owls because they live on a farm, in your baren
in a barn
Yes, barn owls do exist, although they don't usually live in barns.
yup
Yes
yes they do
yes
yes
Yes, there are barn owls in Tucson. I believe they have some at the Desert Museum, but they are common in the wild as well.
I assume you mean "Why are barn owls named Barn owls?", and if that's the case then I can answer that. Barn owls are called Barn owls because they roost in Barns and churches, and there's already a Church owl.
Barn owl
snowy owl live in Farms