near Monterey, California, USA.
Until recently treated as conspecific with B. ridgwayi (see above). Nominate race and affabilis intergrade in SW California (USA). Race mohavensis sometimes merged with latter. Other proposed races include sequestratus (SW Oregon and NW California) and kernensis (drainage of Kern R and adjacent E slopes of Sierra Nevada, in California), both synonymized with nominate, and transpositus (SW California W of the deserts), merged with affabilis. Four subspecies recognized.
Food and feeding
Status and conservation
Only subscribers are able to see the bibliography. Login or Subscribe to get access to a lot of extra features!