kHz
Contributeur
Martin Renner Fichiers multimédias de ce contributeur
Date
Site d'observation
811 Ocean Drive Loop, Homer, AK
Kenai Peninsula Borough, Alaska, United States
Fichiers multimédias de cet endroit Liste illustrée- Âge
- Non précisé
- Sexe
- Non précisé
- Repasse
- Non précisé
Détails de l'observation
Identified from spectrogram using Irwin 2010, Figure 1. Call shows a steep down-sweep, followed by just as steep of an up-sweep and finishes with a slower down down-sweep. This is appears to be unique to flight call type 3. Sound filtered with high-pass filter at 200 Hz, otherwise unaltered. Birds were attending a feeder and visually IDed as Red Crossbill (mostly females type, a few red males) in attendance.
Informations techniques
- Enregistreur
- Microphone
- Accessoires
- Taille originale du fichier
- 89.86 KB