Tom Chester has an excellent page of information on Coyotes on his San Gabriel Mountains web page.
http://www.tchester.org/sgm/lists/coyote_attacks.html
Here's a few recent photos of a healthy Wrightwood Coyote.
(http://WWW.incidentcontrol.com/nature/coyote7_31_03s.JPG)
(http://WWW.incidentcontrol.com/nature/coyote7_31_03u.JPG)
(http://WWW.incidentcontrol.com/nature/coyote7_31_03v.JPG)
This photo was taken this morning near the NatureCam.
I believe it's the same coyote above with a beautiful winter coat.
(http://www.wrightwoodcalif.com/nature/coyote2.JPG)