Chestnut-backed Chickadees call happily as they forage in the trees 😊 Cresent City CA

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A handsome chickadee that matches the rich brown bark of the coastal trees it lives among, the Chestnut-backed Chickadee is the species to look for up and down the West Coast and in the Pacific Northwest.
Tiny, with a big head, a small bill, and a round belly. Similar to other chickadees, but with a chestnut back and sides.
Active, sociable, and noisy as any chickadee, you’ll find these birds at the heart of foraging flocks moving through tall conifers with titmice, nuthatches, and sometimes other chickadee species. Though they’re at home in dark, wet woods, they’ve also readily taken to suburbs and ornamental shrubs of cities like San Francisco.
Chestnut-backed Chickadees eat about 65 percent insects and other arthropods, including spiders, caterpillars, leafhoppers, tiny scale insects, wasps, and aphids, feeding their young mainly caterpillars and wasp larvae. To a lesser extent they also eat seeds, berries and fruit pulp.