I have had my diamond doves for over 3 years....they are small enough I kept them for housebirds. DH even built them a nice fancy cage with the underneath for our hedgehog. They would mate. Butnever not once did they ever lay an egg. I got tired of looking at the little feed-wasting free-loaders so fixed them up a BIG cage outside (well, big for a diamond dove anyway). Looked this morning and THEY ARE NESTING!!! Here I was trying to think what kind of recipe to use them in but I had decided cleaning wouldn't be worth the effort..... Maybe they were prejudiced against having a hedgehog for a neighbor....