Bluebirds blog and other nesting activity in Nebraska

Statewide, the Bluebirds that stayed here all winter suffered from two weeks of extreme cold. I normally have 4-7 Bluebird pairs nesting. This year one. Also, swallows are down a bit, as many boxes of the 32 are empty.
pioneersparkbluebirds.blogspot.com/2021/05/bluebirds-or-not-bluebirds.html