Jessie (in Redding, CA), thanks for the photos.......To help you, please try looking at:
http://merlin.allaboutbirds.org/photo-id
As for your warbler photos that you shared with me, below, here's my opinion as to their identities (from top to bottom):
Nashville, Orange-crowned, Yellow-breasted Chat
Regards, Daniel
Certified Wildlife Biologist Asc.
Avian Biologist & Birding Guide
warblerwatch.com (hosts my resume)