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26

Atlapetes, I

May 27, 1960
Ca de Iñaquito

This morning we saw another [[male symbol]] Yellow-belly singing in a hedge down here. Before sunrise as usual. His songs were slightly different from those we heard yesterday on Atacaso. Might be represented as follows:

[[image]]
"Teeyoo Teeyoo Too-too-too"

Sometimes followed by a Rattle. Sometimes the second note was "Toowee" [[image]] instead of "Teeyoo."

As far as I could tell, the [[male symbol]] was sitting in his usual posture when uttering these notes. Not greatly fluffed.

I wonder if every local population of this species has its own slightly distinctive version of the local song pattern?


Cerro Pichincha

This afternoon we went back to the usual place; and saw a little more Yellow-belly behavior - and something of another species.

We probably heard another "greeting" song of the Yellow-bellies. A pair of bird moving about in the bush. (I didn't see them myself - but David is quite sure of their identity.) When one bird apparently joined the other we heard a brief warble (probably the notes which David transcribed as "Zee wee zee wee..." on May 25), which was accelerated into a definite, high pitched but comparatively soft, rattle. Then the whole phrase, warble [[right arrow]] rattle, was

Transcription Notes:
[[image - series of lines representing vocal notes]] [[image - upward slanting line, representing vocal note]]