WOW LOOKS LIKE THE BLAIR WITCH PROJECT... (JUST TEASIN YOU ABOUT YOUR CAMERAMAN SKILLS...
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THE PEN WOULD WORK FOR QUAIL, BUT YOU WOULD HAVE TO WRAP THE SIDES WITH SMALLER SIZED WIRE... PREFERABLY 1/2 INCH HARDWARE CLOTH TO PROTECT THE BIRDS FROM PREDATORS. ASIDE FROM THAT THE PEN/ PENS WOULD WORK FINE. WOULD LIKELY NEED COVERED WITH A TARP IN THE COLD MONTHS TO PROTECT THE BIRDS FROM FREEZING, BUT OTHERWISE VERY NICE.
GETTING TO ANOTHER POST I JUST READ... DONT HAVE A BATOR? YOU DO REALIZE THE CHANCES OF THESE BIRDS INCUBATING AND THEN BROODING THEIR OWN YOUNG IS SLIM IF NOT NONE AT ALL? YOU'D NEED A INCUBATOR TO CONTINUE THE LINE OF BIRDS... AND SAME WOULD BE TRUE OF COTURNIX OR ANY SPECES OF NEW WORLD QUAIL (BOBS/ VALLEYS/ GAMBELS, ETC...) THEY USUALLY ARENT VERY HARD TO HATCH, IN FACT MAKE A GREAT STARTER SPECES FOR LEARNING INCUBATION.... JUST SAYIN'...