You mean they make a nest but never lay eggs in the nest they made, that's crazy. This nest has been made for several weeks but no eggs yet.House wren. Have them make several in our outbuilding each spring but they never follow through and actually set up house in them.
Never went house shopping with the little woman?I just read this. Wow I never knew a female needed several houses to choose from.
House Wrens and Dummy Nests
There may be no busier bird during the nesting season than a male House Wren. Just a day or so after completing his spring migration from the tropics, the male House Wren claims a territory and checks out several potential nest cavities. And in each of these locations, he builds a starter nest using virtually anything twig-like to get the job done — from nails and bits of wire to paper clips and hairpins. The male House Wren stays at it until a female pairs with him. Then she picks one of the starter nests and takes over construction.