kHz
Contributor
Arthur A. Allen Media from this contributor
David G. Allen Media from this contributor
Date
Location
ALUM ROCK STATE PARK; NEAR SAN JOSE
California, United States
Media from this location Illustrated Checklist- Age
- Not specified
- Sex
- Not specified
- Sounds
- Call; Non-vocal
- Playback
- Not specified
Media notes
NOTES: BRUSHY HILLSIDE. MOSTLY DRUMMING AND THEN A FEW SHARP CALLS. NORMAL INTERVAL BETWEEN DRUMS WAS ABOUT 35 SECONDS. [The two parts of this recording contain, respectively, four Drums and then two series of "Kweek" Calls (the first decapitated) followed by a Drum. The "Kweek" calls are of Type 1 pictured in Figure 22I of Winkler and Short (1978. A comparative analysis of acoustical signals in pied woodpeckers (Aves, Picoides). Bull. Am. Mus. Nat. Hist. 160(1): 1-110). Quality changed from 1-2 to 2-1 - CAM - 19 April 2005]. Other Behaviors: Bill Drumming.
Additional species
Technical information
- Recorder
- MAGNEMITE UNSPECIFIED MODEL
- Microphone
- Accessories
- Parabola (Unknown Diameter/Focal Length)
Archival information
- Digitized
- 6 Dec 2001 - Shelagh A. Smith