Paul A Schwartz
26 Feb 1969
- Cerro El Teteo; ~ 1 km before camp
- 7.42 -72.07
- 1100 meters
- NAGRA III
- Electro-Voice 650
- Parabola 91.4cm (36in)
NOTES: Neotropical Institute Cut # 33. Bulk reel: 46
Weather: Clear, fair. Natural song. Quality: 3. Level: +12.
Then closer and after playback. Note that the pitch is lower than in the natural song; also song shorter. Then, after repeated whistled imitation. Quality: 2-3. Level: +12.
This bird was then collected (= male #6772, rufous phase).