How long before my finches' eggs hatch?

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Rich May posted the following message on the Finchlover Listserv:

While 14 days is a pretty good average for the birds listed, as long as people realize that the birds don't start incubating when the first egg is laid. Many birds don't start the incubation process until about the 3rd egg, and some will wait until the last egg is laid. There are several variables involved with the incubation process. Some birds won't sit as tight as others and it will take longer to hatch the eggs. I have had Gouldians take 17 to 18 days to hatch. My Owls take on an average about 12 days, and the green singers usually hatch on around the 13th day. These are just my experiences with my birds. Rich

Copyrighted 2000 by Rich May - Reprinted by permission.