Ll Wolf 1963 Amphila rafieps July 5 while 2nd worked up to top of juniper giving 7 feet notes. 2nd was quiet. 3rd was o/w with enlarged cloacal protuberance. Unable to collect 2nd bird. Did not see a 4th. fermories / Probably 6-10 pairs on area of 300 x 200 yards. Also common here were Spizella atrogularis worn #1 rectrices / Noticed that central pair of rectrices more worn than other 5 pair. Suggest last molt did not replace central pair. Premature? July 20 mi E. Santa Lucia, Sinaloa, Mexico 21 Bateh #2828 - jun. 9 one patch of new feathers on low and back. few new on ventrum. looks like started p.p. molt & stopped. just west taken in area where a o/w had been singing. habitat / Watched a pair of birds on an open pine-oak hillside. Herb layer was well grazed except on very steep parts. It consisted mostly of small dicots, & grasses becoming more abundant when no grazing. First attracted to the birds when they were canopy 35-50% closed chased by Juno phaeonotus. Gave deep, deep call - sounded specific / less warbler striking than Berkeley birds. Both birds forage / foraged on ground where vegetation least grazed. One kept flying to where very short herbs - I was unable to find a nest. One foraged out into short cover + at no time wasn't hidden from view. Twice pecked at bore of small plants - otherwise seemed to peck randomly.