Coturnix can get by on 1 sq ft per bird, bob whites need around 4 sq ft., Button quail can get by in smaller spaces however I'd recommend giving a pair of buttons at least 2.5-3 sq ft. To appreciate the color patterns of them I keep each pair in a 25-30 gallon aquarium. When I was a youngster I...
Coturnix are best for beginners. especially people coming from chickens. Chickens are walking disease baskets so keep them away from your quail and wash your hands in between handling them or switch gloves.
P.S. Several years ago I only wanted a few quail. Fast forward and I've been...