Long ago, before we humans started putting up Bluebird nest boxes, Bluebirds nested in hollow ... Bluebird resources or you can reach out to me for help! We have barely scratched the surface ...

Watch for them along Highway 285, following a bluebird trail marked by nest boxes on fence posts. But yes, all three distinct North American bluebird species come to Colorado: the Eastern and ...

Bluebirds begin scouting out nest boxes as early as late February, or even earlier in the south. If conditions are favorable, they sometimes continue nesting into August or even September.