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64

Mixed Diglossini, Apr. 3, 1965, II  

[[left margin]]XCC[[/left margin]]
Definitely smaller than BQ. Is it a vireonid, a "greenlet"? But its bill is pure Covirostrum-like. Is it that peculiar nectarivorous "vireonid" mentioned by the Chicago crackpot? I must check this out. If it is a vireonid, I am willing to believe that all Cowbells are vireonid!

Incidentally, the top of the head and neck of this bird is definitely gray. Contrasting with wings.

Leaving 5:50 pm. Getting too dark to see much.
COMMENT: In general, today's observations would tend to confirm my impressions of last year.

[[left margin]] Glor  Laf [[/left margin]]
I  On Pio Espejo. There is no doubt but that Glors do tend to occur in areas where I would expect to find Lafs. Right up to the edge of the Paramó. The scrub vegetation and low forest areas where I worked this morning were a little sparse, in parts, and probably not as lush or humid as such areas as Chachapoyas, Machu Pichu, or Nono. But they were quite lush and humid enough to provide suitable habitats for the Lafs of the Bogotá and parts of the Quito region.

I might add that Phelps Sr. says he took specimens of Laf at 3500 m. on Pico Espejo. Has the population disappeared?

[[left margin]] Cy Coer [[/left margin]]
I was rather surprised not to find any Cys or Coers in the 3000-3400m region this morning. Are they confined to lower elevations on this mountain?

[[left margin]] Gen Inter [[/left margin]]
This area certainly would appear to be somewhat more humid, on the average, than the Paramó La Negra. This may help to explain why Inters seem to be absent here. But possibly more important is the fact that flocks of warblers seem to be abs

Transcription Notes:
using new simplified smithsonian guidelines