We are still catching up with a summer of bird watching! I was in Southern California in early July, and we found ourselves at Dana Point along the Orange County Coast. I saw what I assumed was a Western Kingbird, which are common around my home region in spring and summer. It wasn't until much later looking at the photos that I noticed the slight green color to the back feathers, and the white patch under the throat. It was a Kingbird, but not one I've seen before. Cassin's Kingbirds (Tyrannus vociferans) have been seen back home in Stanislaus County, but so rarely that sightings cause some local excitement among birders.
Dana Point is a particularly beautiful stretch of California coast, with some nice cliffs and mountains nearby. We saw the Cassin's Kingbird at a gazebo that overlooks the small harbor.