kHz
Contributeur
Walter A. Thurber Fichiers multimédias de ce contributeur
Date
19:00
Site d'observation
Hacienda Los Pinos
Usulután, El Salvador
Fichiers multimédias de cet endroit Liste illustrée- Âge
- Non précisé
- Sexe
- Non précisé
- Comportements
- En vol; Recherche de nourriture ou alimentation
- Sons
- Cri; Non-vocal
- Repasse
- Non précisé
Commentaires
NOTES: Cover density: OPEN; THIS RECORDING WAS MADE AT THE NOCTURNAL FEEDING GROUNDS OF THE SPECIES. THE FIRST GROUP THAT ARRIVED THIS EVENING DID NOT VOCALIZE, ONLY THE RUSTLE OF WINGS CAN BE HEARD. AFTER THESE BIRDS LANDED A FEW VOCALIZATIONS WERE UTTERED. THEN FLIGHT Sex: 10-50 UNKNOWNAFTER FLIGHT OF BANDS FROM 10 TO 50 FOLLOWED, SOME LANDING IMMEDIATELY, SOME CIRCLING FIRST. USUALLY THE BIRDS VOCALIZED WHILE IN FLIGHT. WHEN NO MORE BIRDS ARRIVED I TURNED THE PARABOLA TOWARDS THE FEEDING BIRDS. Other Behaviors: Arrive.
Espèces additionnelles
Informations techniques
- Enregistreur
- UHER 4000L
- Microphone
- Accessoires
- Parabola 45.7cm (18in)
Information d'archivage
- Numérisé
- 16 Aug 2005 - Mike Andersen