A Black-capped Chickadee carries a beak-full of wood chips away while excavating a new nest cavity in a broken off alder trunk.
Behind the lens.
Black-capped Chickadees mate for life, and they prefer to excavate a new nest cavity each year. Both members of the pair excavate, one beak-full at a time, and then the female alone builds a small cup for her eggs to rest in at the bottom of the cavity. While she's incubating, her mate delivers food to her and defends their territory.
birdchickadeeblackcapped chickadeesongbirdbird nestnestingJohn Ashley