Here's the chronicle of the Carolina Chickadees with the dead bluebird built into the nest.
March 25 - nest with dead bluebird, mosses, fur, and grasses.
March 29 - 7 eggs!
April 11 - Very fresh! Fourteen days after all seven eggs laid.
April 11 - angry bird!
April 15 - Mom sitting on nest.
April 18 - getting pin feathers.
April 21 - can see some white on their heads.
April 23 - close up.
April 24 - looking pretty big!
April 25 - 15 days now.
April 25 - still homebodies!
Morning of April 26 - 16 days, won't be long now 'til they are on their own!
I don't know what day the nestlings actually fledged since we had left for Beavers Bend State Park. I was surprised that they were still there on the morning of day 16. I bet they fledged that day.
Here is the empty nest with one infertile egg left.