Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
"La Puerta" [= El Puerto, Venezuela]
May 28 at 7:30 we drove up to "La Puerta" and I hunted for
20 minutes below the store at the summit through
some stands of small oaks and few scattered pines.
Then we drove up to the summit and found Lomb
camped there. He had taken 3 C. M. Nelsoni - 2
juveniles and an adult. I hunted for 3 hours
and saw 12 or so wrens in groups of about
5 birds. I shot 3 - not juveniles. I found a single
wren foraging along the chlorphyte covered branch
of an oak. All the wrens we found in a thick,
wooded slope of a small canyon where the oaks
were large & dense. When flying off, sometimes
in pairs, other times in 3's or 4's, these birds give
a rattling call similar to that of zonatus but
weaker and less [illegible] uniformus. In fact all of
the calls of this form are more subdued, less loud
and excited than those of zonatus. The common
call is a che - che - che or che - che- cha --
nasal in quality. I did not hear any definite
syncopated or strongly rhythmic calls as in zonatus
but several times the che-seria, or che-rotes, sped
up and started to develop a fast triplet rhythm.
Several birds may call together but not in perfect
unison and with no development of a strong
syncopated rhythm as in zonotus. In the flight
call and sound of other calls this bird is close
to zonatus, however, even though there is a