Why do red-shouldered hawks cry?
During courtship the red-shouldered hawk can be one of the noisiest raptors. It screams a repeated kee-yer, and its cries can be heard for miles. ... During the warmer months, red-shouldered hawks favor cold-blooded prey such as insects, crayfish, amphibians, and reptiles.
Why do red tailed hawks scream all day?
Part of their mating ritual is establishing dominance which they display by loudly claiming their territory. So, when a hawk is screeching during their flight, they are most likely stating their dominance over an area. It is their signal to other hawks to keep out of their territory.