Orange-Crowned Warbler

I've seen these little yellow warblers all around the Phoenix area now. For a while, I was misidentifying them as juvenile or female Yellow and Wilson's warblers, because they just always seemed too generally yellow to be the Orange-Crowned in field guide pictures. However, I recently got some great feedback from the Arizona field ornithologist group, confirming that these are all, in fact, Orange-Crowned Warblers.
The broken eye-ring and faint, black eye stripe seem to be key identification marks.

Here are a couple more Orange-Crowns I saw at the DBG.