15 Jul 1977
- 5.0 km SW of Portal
- 31.8666667 -109.2
- 1720 meters
- Evergreen Forest
- MARANTZ SUPERSCOPE SUPERSCOPE UNSPECIFIED MODEL
- Dan Gibson Parabola 45.7cm/11cm (18in/4.3in)
NOTES: (No. of Animals/Sex: Unspecified number of juveniles. Breeding Status: Non breeding. Behav. Context: A few young were fluttering their wings. Gen. Climate Arid.) Cassette counter 239-263.