I am also interested in trying turkeys next year. I had also wondered about ranging them together. I will have to check on blackhead more before I get them. Very interesting thread!
Dewlap toulouse are much more calm and docile from what I have read. My American Buffs are much more docile than other geese I have seen. They don't bother the chickens or ducks except for the randy drake. My gander will warn first and then "remind" the drake, who owns the goose. My gander...