I would suggest if your asking if they take good size quarry you are nowhere ready to fly a bird of prey mate, let alone a peregrine falcon, it takes alot of skill on behalf of the falconer to fly this species succesfully.
mate i have been flying harris hawks for 6 years and have taken arround 50 rabbits a year i was just asking a man of experience what they would take because it might not suit my land. but after talking to rob i naw no that a perragrine hybrid would be perfect please dont comment like that if you dont no me and i am only 15 but have friends who have flown long and