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62

Rhamphocelus, May 1, 1960, V                   

[[image - dendrogram]]
[[labels]] 
Pselliophorus
Atlapetes
Pezopetes
Anemon
Chlorospingus
Habia
Rhamphocelus
Anemonops
Saltaor
Thraupes
Tangara [[/labels]]

Rhamphocelus [[Ramphocelus]], I           

May 5, 1960
Barro Colorado

Male A still in reproductive mood this morning. Still uttering lots of "Keeyoo" songs as before.

When the female went down to feed first this morning, the male immediately stopped "Keeyoo" singing — just as he did on May 1 in similar circumstances. He did not, however, utter alternate "Pssseeeet" - "Auh" notes as on May 1st. Instead he uttered a lot of notes which I now realize are rather distinctive. These were like "Auh" Notes, but with a more wiry, think, quality. Like typical "Auh" notes with a faint "Pssseeeet" undertone. These are obviously the notes described above on May 1, 1960, p. 59.  

The reason I am sure that these notes are different from typical