This Cowbird, 6 to eight inches beak to tail, is a spring and summer visitor to Maine. Once a follower of bison on the great plains, these birds now inhabit the edges of woods, roadsides, and towns across the United States.
Female Brown-headed Cowbird in Nobleboro (2015)
Cowbirds in Harpswell: female at left, male at right (2016)
Females lay their eggs in the nests of other birds, then abandon them to be raised by others. The birds above were found in midcoast Maine towns: Harpswell in May and Nobleboro in June.