Curtis A Marantz
16 Jun 1993
- Denali National Park; Savage River Campground
- 847 meters
- Coniferous Forest
- NAGRA IV-D
- Sennheiser MKH 815
NOTES: (Bkground sounds: American Tree Sparrow (Spizella arborea) (song). Species Sound: Infrequent. Breeding Status: Breeding? Context: Distress. Sound Delivery Rate: High. General Climate: Cyclic wet-dry. Env. Zone: Boreal; montane; alpine. Cov. Density: Med.) An American Tree Sparrow that was distressed by a Gray Jay that was at the top of the same spruce tree within a meter of the sparrow. The Gray Jay was virtually silent. HPF @ 250 Hz.
BNA: Alarm note ("tseet") is heard. CZ 17/06/2004.
[Agreed, these are alarm calls. Quality changed from 3-1 to 2-3, 2-1 (wind noise) - CAM - 27 January 2005]