Insects as Primary Food Source Mountain Bluebirds primarily feed on a variety of insects, including beetles and grasshoppers.
Small Invertebrates They also consume small invertebrates such as ants, caterpillars, and crickets for additional protein.
Berries and Fruits During colder months, Mountain Bluebirds will supplement their diet with berries and small fruits like juniper berries.
Foraging from Perches These birds often hunt for food by perching on trees or fence posts, scanning the ground for prey.–
Diet in Winter In winter, when insects are scarce, Mountain Bluebirds switch to eating fruits and seeds to survive.
Occasional Seeds While insects make up most of their diet, Mountain Bluebirds may occasionally consume seeds, particularly in winter.
Hunting Techniques They catch insects by swooping down from their perch or snatching them in midair during fligh
Supplemental Diet During nesting, they may feed on more protein-rich insects to support their energy needs.