Marshall, 1941-2 Cyclarhis flaviventris subt. cacagnae Dec. 25-Jan 16 Rarely seen but heard about every day singing in brush - humid dense type or arid sparse type below level of oaks & in ~~brush around Only~~ in tall brush, however. Only 1 seen or heard in finca - Jan 17 #1765 taken in finca coffee bush - with large mixed flock. Usual song like that of canyon wren but each whistle inflected ~ whinen . Other songs in great variety but built on plan like usual call note of Calif. purple finch. Toodle-tiddle etc. Jan 11 #1732 & Jan 9 #1715 It's seen as sang up in low trees above the brush. Sit very still - hard to see unless turn yellow side toward you. Each song well spaced - farther apart than Vireo solitarius . Jan 9 - were 2 singing within 50 yds in scrubby trees over arid brush. Answered imitated whistles readily.