I ran across a group of these birds on a hike in the Santa Monica Mountains near my home. They were vary active, flitting from bush to bush. I was thinking they were Wilson's Warblers, but when I uploaded the photos and noticed the thicker bill, more like that of a sparrow or finch, I realized they were not. This bird has a chartreuse chest, grey back, black wings with some white, and a black cap that extends down to eye centerline, further than that of Wilson's Warbler - and of course its bill is thicker as I'd noted, more like a seed eater. I couldn't find any bird in my books that match this bird's appearance. I've attached two photos of separate individuals that I'm pretty sure are the same species, by appearance and congregation behavior.
Appreciate any suggestions.
Bob
Appreciate any suggestions.
Bob