LLWolf 1969 Aimophila vulpecens August 7 5 mi. E Cuernavaca, 5900ft, Morales, Mexico. squeal / then back to shrubs + squeal. foraged from thorns + branches just above ground + then flew into tree + shrub grove (closed canopy) foraged / along lava fence. Squeal then move thru subcanopy region to see one male squeal in treegrove then (8955) or singing from bare branch (far end) at end of grove. was top of 10 foot tree. squeals / A B songs / songs -- ~ + -- ~ --. A, B, A, B, A, B, B, B, A, B, --, B, ---, --, B, -, A, A, B, -, B, --, A, -- songs / B, -, B, --, B, ---, -, B, -, B, --, B--, B, B, B, ---, B, B then flew off to NW where sang three successive songs. then back to tree (1900ft) songs / where sang from dead top of 25 foot tree. then down to 5-6 feet up in tree grove when chirr notes then squeal - another squeal from 20+ yds. to NE. Sounded like or joined another bird and 2nd squeals / squeal was by a member of another pair. 3 / 1010- same pair, heard squeal from W end of tree grove. then three birds flew into grove ~ 5 feet up. squeal again + moved to S farther with another squeal. Then all three move to W side of grove into field. One then up into bare branches of 10 foot tree when chirr here. squeal / squeal from ground vegetation flies free + bird in tree begins wing+ tail flicking then in several fluttering flights drops to ground when squeal continues - sound thru two birds. Clmove over + birds begin chirp / chirping excitedly from ground + to 6 feet up. Usually on dead branches when in trees but does move thru foliage. B moves to S end of grove + begins singing. P continue moving in tree + shrubs chirping excitedly + with occasional chir notes - soft: B moves in also then cow scale both away. chirp /