Paul A Schwartz
9 Feb 1972
- San Carlos de Rio Negro
- 1.9166667 -67.0666667
- 100 meters
- NAGRA UNSPECIFIED IV
- Sennheiser MKH 405
- Parabola 61cm (24in)
NOTES: Neotropical Institute Cut # 2 Bulk reel: 04
Weather: Cloudy after rain. Natural song. Recorded at some distance. Quality: 2. Level: +3. 3.75 ips.
I moved a little closer: although app. same bird, note that the voice is @ a higher pitch! Quality: 2+. Level: +3.
I moved a little closer: the voice sounds still higher!! Quality: 1-2. Level: +3.
NOTE! the change of pitch apparent above must be investigated, spectrographically and otherwise.
[Identified] by voice, but later confirmed by collecting.