Regarding friendly chickens that do well in the southern AZ climate, do you mean friendly towards people, as in personable or toward other birds? Also, are you wanting to get your birds from a hatchery or a breeder? Assuming you mean personable toward people, there are quite a few breeds that'll do well here that are friendly (as a general rule). Some that I have experience with are Rhode Island Reds, Barred Rocks, Orpingtons, and most recently Naked Necks/Turkens. I can't say every bird of those breeds would be friendly since each is an individual, but I found in most cases they seemed to be friendly. The reason I asked where you plan to get your birds from is because my Rhode Island Reds are from a local breeder and I'm planning to breed toward the SOP with them, and the trio I have are exceptionally friendly, however; I've come across many that people got from hatcheries that were pretty aggressive. I'm not saying all RIR's from hatcheries are that way but that's what I've observed. Some hatchery birds were sold as/labeled RIR and some as Production Reds but all the birds I saw were Production Reds by their type. So far I've never met an Orpington that wasn't friendly towards people, and the hatchery Orpingtons are a lot more slender than the Orpingtons I got from a breeder so I believe the hatchery version would do well here. I'm going to have to keep a close eye on the Orpington trio I have for breeding because they are fairly large and have a lot of fluff and feathering. I think they'll be fine since the breeder I bought them from raises them in Safford which isn't a whole lot cooler than it is in North Phoenix during the summer but I plan to do everything I know how to keep them cool this summer. I bought 10 Naked Necks from a hatchery back in November and they've all been very friendly as well. On top of that they are known to be exceptionally hardy and can tolerate the heat here very well. DesertChic turned me onto them a while back and they have proven to be everything she said and more. At first I didn't care for them due to their looks but they grew on me after a while and now I think they're quite attractive - beauty is in the eye of the beholder I guess. I took a leap of faith with them and I'm glad I did - I owe DesertChic for that one. Also they're reported to be one of the most tastiest chickens around in case you ever plan on BBQing them. I highly recommend getting at least one with your new flock and I think you'd be pleasantly surprised. I love my hatchery NN's so much I'm now looking for SOP NN's from a breeder because I'd love to breed some of them to the standard. Like DesertChic has been saying, I think they are way under-rated and I'd love to do my part by growing and showing them. They really are an outstanding breed for this part of the country. Like
Banaynaychicken said, Leghorns are excellent birds to raise in Southern AZ; they do extremely well in the heat of summer but mine are all pretty flighty and don't want to be anyone's friend. I give them the respect they want and we all get along fine. They are prolific layers throughout the year but they lay white eggs which for some reason I found a lot of people don't want. Personally I like eggs of any color so it doesn't matter to me but I have some egg customers that insist on brown eggs only. I haven't been able to find any Brown Leghorns bred to the SOP yet but I plan to get a trio, quad, or two if I can ever locate any available for sale. I don't know if they'll lay as much as the hatchery Leghorns but I'm sure they'll be every bit as tolerant of the summers here. The only downside to prolific layers is they tend to burn out faster so you'd likely have to replace them sooner - higher turnover. I'm speculating SOP Leghorns would lay slightly less since production isn't the only thing they've been bred to, but I think even a moderate laying Leghorn would out-lay most other breeds. Anyway that's my $0.02. I don't know anything about ducks so I can't help you there. I'd like to get some at some point but I got my hands full juggling chickens at the moment. Good luck in your search.