Sayornis nigricans semiatra (Vigors, 1839) - The Black Phoebe Baylands Nature Preserve, Palo Alto, CA, March 26, 2012 © Donald H. Gudehus

Sayornis nigricans semiatra (Vigors, 1839) - The Black Phoebe Baylands Nature Preserve, Palo Alto, CA, March 26, 2012 © Donald H. Gudehus

Sayornis nigricans semiatra (Vigors, 1839) - The Black Phoebe Los Altos Hills, CA, September 25, 2013 © Donald H. Gudehus