Mountain Bluebird Plumage Development Stages

By |March 24th, 2016|Categories: Beaverhead County, Birds, Centennial Valley, Clark County, Idaho, Montana, Mountain Bluebirds, Targhee National Forest, Utah, Wayne County|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , |

These images from different times of the year show Mountain Bluebird plumage development stages from not long after fledging to adulthood.