Hemilio - chiafensis 67 R6 Tittlepec Songs of hemilio. April 9 1) a harsh chit-chit-chit, etc is forage note. 2) ha-we-liit, ha-two-lut-song 3) che-che-che-che, etc-several seconds-a very fast warbling trill given frequently and by lone bird with tail fanned out. The whole body vibrates with the trill-This is first time we have heard this song. Never heard nigricaudatus give anything like this. Was the commonest song we heard today. 4) 'za-west, Za-west, za-west-given by one bird as another joined it after carrying nest material to the nest. The trill song is very often preceded by a chatters of caws. 5) cha-cha-cha-chit-given softly twice by a bird just as a loud hawk or some sort flew over, a warning note doubtless. No heard again. In general all songs of hemilio are given more softly than those of nigricaudatus. I heard several hemilio songs from the low, dry vegetation back from the river and surrounding the cleared or burned over areas. It may be that the formation of the clearing frequented by chiafensis allowed the species to move into