kHz
ML66574541
Contributeur
John G Woods Fichiers multimédias de ce contributeur Profil
Date
Site d'observation
Mount Revelstoke National Park--Revelstoke Viewpoint
Columbia-Shuswap, British Columbia, Canada
Fichiers multimédias de cet endroit Liste illustrée- Âge et sexe
- Immature, sexe inconnu - X
- Sons
- Cri de vol
- Repasse
- Repasse non utilisée
Commentaires
prolonged whistles characteristic of this species over busy viewpoint making recording difficult; normalized to -3dB in segments containing calls
Détails de l'observation
2 dark morphs flying over busy viewpoint; calling several times per minute; interacting with each other; immature plumage by fine barring on tai (rather than broad dark & light bars of adultsl; distinctive calls
Informations techniques
- Enregistreur
- iPhone
- Microphone
- internal
- Accessoires
- none
- Taille originale du fichier
- 3.24 MB