I'm new to quail, but I've done some research. I've got japanese (cotrnix.) With them you can sex them either by venting or by the chest feathers. The females have a spotted/speckled chest and the males a more solid. The venting I'm not as sure about but there are a few youtube videos you can...
We live in central Texas and typically have mild winters with our nighttime lows in the 30's-40's and daytime usually in the 40's-60's. We have occasional ice storms and snow maybe once or twice a winter. My quail are in an run outside and have a nesting box that will keep the wind/rain etc out...
I'm the proud new Mommy to 14 Cotrnix! I just love them and I have been using BYC to answer a ton of questions. Thanks for all of you that have posted you've been a huge help!