I'm thinking about getting chickens and am interested in a dual purpose egg layer. Here are some questions/considerations: 1. Which breeds lay what the grocery store considers "large" eggs (to work with my recipes)? 2. I would prefer a calm breed to be able to handle them. Maybe production red or buff Orpington. 3. They will free range during the day, so maybe a calm breed wouldn't be a good idea in which case I was thinking leghorn. 4. I would like to include some greenish eggs layers. Could someone explain the difference between Americana, araucana, and Easter egger (mainly the hardiness of the breed, egg size, and production)? Thanks!