13 Jun 1977
- 5.0 km SW of Portal
- 31.9 -109.1666667
- 1720 meters
- Deciduous Forest
- Evergreen Forest
- MARANTZ SUPERSCOPE SUPERSCOPE UNSPECIFIED MODEL
- Dan Gibson Parabola 45.7cm/11cm (18in/4.3in)
NOTES: (Bkground Sounds: Picoides stricklandi drumming - 121 on counter. Gen. Climate: Arid. Cover Density: Medium.) Two territorial males in a rivalry, each on his special perch: 065-078.
Reaction to playback: 79-85
Flock and singles: 90-133
Two males are involved in territorial countersinging, and when I used their recording of the countersinging as a playback, the first response was one male with a single alarm singly and together. The playback apparently stimulated quite a chorus which kept up for several minutes.