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Mixed Diglossini, Aug. 16, 1967, II. 20

[[left margin]] Black [[/left margin]]
thru low ✓✓63 fern scrub just above road. With long R's. (But no "Zaza".  Obviously Diglossa. But I can't tell which species.
Then hear Whitestart-CXXVII Song downhill.  NODWAH. One phrase.  Stops.

[[left margin]] Nocti [[/left margin]]
5:41. Nocti Sings. Same place yesterday.  Lots of R toward end of each phrase. NODWAH.  Then the bird ✓64 ranges over a wide area, Singing from several small bushes in turn. Songs are even more irregular than yesterday. Also usually very brief. All NODWAH  Then bird flies downhill.  Sings in taller lusher scrub (where flock was yesterday). This individual certainly has a very large territory!!!  Then it flies back uphill. I get a very good view of it. (Again)  identification definite.  

[[left margin]] Nocti Albi Gen [[/left margin]]
Nocti stops Singing.  Immediately, Whitestart CXXVII Sings. NODWAH.  Stops. Then hear Albi type R. Stops. Mutual inhibition of Song seems to be working well!
NOTE: Looking uphill, in Nocti territory, see some rose-red flowers of same species which Diglossas favor in other parts of the Andes.

[[left margin]] Albi [[/left margin]]
5:56 am. Hear another Albi type R downhill.  NODWAH

6:01 am. Whitestart CXXVII Sings. NODWAH.  Then hear Albi-type R.  Completely overlapped by Whitestart. Then Whitestart Stops. More Albi-type R's. NODWAH

[[left margin]] Nocti[[/left margin]]
So mutual inhibition is not perfect.

6:07. See Nocti downhill in lusher scrub again. Also hear more Whitestart CXXVII Song.  NODWAH

[[left margin]] Nocti Albi [[/left margin]]
6:14  Well! See single 65 ♂ Albi moving uphill thru center of Nocti territory! Calm and quiet. Certainly not being