EGGS FOR SALE TO HATCH THINGS TO KNOW BEFORE YOU BUY

there isn't a perfect sizing, however you both have to have small enough in which they can't get their beaks in, or large enough to allow them to get them out. I'm using 1" x 1" these days and it really works Okay. The smaller sized here dimensions of wire can cause some birds breaking the tips in their beaks off, though a sizing of say, one" x two