Ya know what, that's really odd. I mean I've read a lot about quails being like that but mine aren't. I'm not tryin to toot my own horn but I think I may know why they are accepting to new comers. When my button quail chick was about 4-5 days old my coturnix chicks were born, they went right in with my button quail chick...then when my jumbos were born a few days later, they went right in with the normal coturnix and the older button quail.
I've had my button chick and coturnix outside now for...errumm a week now, they're mostly a month, to just days away from being a month old. I just this morning put my adult hen and male button quail in the same hutch as the others since my button hen is done laying for the season. She was the one that was terrified, the male he ran right in the indoor part and layed down with a coturnix hen. The button hen flipped out for a bit (trying to get out of the hutch) the coturnix chicks just watched her or didnt pay her any mind. After she calmed down, there was no interest in her anymore at all. *the interest that was given was them watching her heads cocked as she binged off the caging*
I'll keep this post updated on it but im almost certain theres no problems. I've been back up to check a few times and they're all just wakling around preening, eating, drinking, peeping.
I really think it has to do with teh chicks almost continually seeing changes wether it be new comers a new brooder, and now a new hutch. I think the sort of constant change has put an invisable line in territory so no one gets in a huff over new comers. Least that's my theory on why it's working for me so far.
OH and before anyone gets in a hissy over me having buttons and coturnix together...they're fine...promise ya. If I ever EVER see even a tiny bit of problems they'll be removed. I'd just perfer tokeep them all together for the winter so they have more body heat. Once spring gets here if all is well, they'll be separated into their own species cages.