This transcription has been completed. Contact us with corrections.
Atlapetes, Oct. 3, 1960, II 38 their songs somehow. Probably reduced the loudness of their songs, instead of developing a different type of loud song, because any loud vocalization is attractive to other species, to some extent (even apart from such special reactions as the Bush-tanager [[right arrow]] Pselliophorus reactions). Atlapetes, I October 6, 1960 Cerro Punta I was walking through some badly cut-over old forest, with a lot of low and thick shrubbery around, when I suddenly saw one Yellow-throat hopping around excitedly in a tangle, about 6 ft off the ground. During this hopping it frequently assumed a real St. Posture Comme ça: [[image]] Possibly head even more nearly vertical Looking very long and thin. Not sure about angle of tail. Possibly straight down. Possibly more in line with head and body. Probably variable. This looked very much like the high position during int. mov. of slight bowing, but was much more exaggerated During all this hopping about & St. Postures, the bird uttered a continuous series of relatively very loud ECN's [[image]] As far as I could tell, its bill did not open and close with the notes
Transcription Notes:
Letter "y" at start of first line was transcribed on previous page ("modify")
[[image: sketch of bird facing left]]
[[image: sketch showing very loud ECN's]]