Brown-headed Cowbird - Female - San Pedro House, Sierra Vista, AZ, USA

Brown-headed Cowbird - Female - San Pedro House, Sierra Vista, AZ, USA

Brown-headed Cowbird - Female - San Pedro House, Sierra Vista, AZ, USA

Brown-headed Cowbird - Sunnyvale, CA, USA

Brown-headed Cowbird - Sunnyvale, CA, USA

Brown-headed Cowbird - Sunnyvale, CA, USA

Brown-headed Cowbird - Sunnyvale, CA, USA

Brown-headed Cowbird - Sunnyvale, CA, USA

Brown-headed Cowbird - Laguna Seca Ranch, Edinburg, TX, USA

Brown-headed Cowbird - Edinburg, TX, USA

Brown-headed Cowbird - Laguna Seca Ranch, Edinburg, TX, USA

Brown-headed Cowbird - Edinburg, TX, USA

Brown-headed Cowbird - Edinburg, TX, USA

Brown-headed Cowbird - Laguna Seca Ranch, Edinburg, TX, USA

Brown-headed Cowbird - Sierra Valley, CA, USA

Brown-headed Cowbird - Grayling, MI, USA

Brown-headed Cowbird - Mountain View, CA, USA

Brown-headed Cowbird - Mountain View, CA, USA