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[[circled]] 51 [[/circled]]

Tangara, Mar. 25, 1961, VI

because they were always close together while I was watching them.

I think that the display [[?]] of the Plain-colored Tanagers might be summarized as follows.

|[[?]]|Slightly [[?]]|Strongly [[?]]|
|SN|Ordinary CN's|G|
|"Zreeeee"?|Ordinary CN Trills*|Loud & hard CN's|
|"Social" Feeding| |Loud & hard CN Trills|
|St and/or TV| |HAC
|Q| | |

[[?]]
BC
Q

* I am not sure if there are really 2 distinct types of CN Trills (i.e. ordinary CN Trills and unusually loud & hard CN Trills)