kHz
Contributeur
Arthur A. Allen Fichiers multimédias de ce contributeur
David G. Allen Fichiers multimédias de ce contributeur
Date
Site d'observation
ALUM ROCK STATE PARK; NEAR SAN JOSE
California, United States
Fichiers multimédias de cet endroit Liste illustrée- Âge
- Non précisé
- Sexe
- Non précisé
- Sons
- Cri; Non-vocal
- Repasse
- Non précisé
Commentaires
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.
Espèces additionnelles
Informations techniques
- Enregistreur
- MAGNEMITE UNSPECIFIED MODEL
- Microphone
- Accessoires
- Parabola (Unknown Diameter/Focal Length)
Information d'archivage
- Numérisé
- 6 Dec 2001 - Shelagh A. Smith