I believe it's a female
Not sure exactly what spp this is, maybe a Yellow Rumped Warbler?
Just a youngster, roughly 2 inches in size.
About 1.5 inches in size.
While eating my lunch in a park I heard the ground squirrels chirping an alarm call and looked up to see this guy running down the hill. Had to snap a quick shot and this was the best I got.
Came across this on in a remote canyon on private land in Ventura county. Have observed this population in the same area for the last 3 years.