23 Apr 1992
- 8.0 km W of Portal; Southwestern Research Station
- 31.55 -109.1
- Deciduous Forest
- Coniferous Forest
NOTES: (Breeding Status: Territorial paired, breeding. Behav. Context: During nest building. Gen. Climate: Arid. Cover Density: Medium. Equipment: CCD-F70. 8 mm videocassette. SONY Camcorder 8 mm. Tape Category: Research.) Territory #1, nest #16. Sex judged from behavior. Female(?) building the nest and calling. Male(s) singing.