ML231952161
Contributeur
Alex Lin-Moore Fichiers multimédias de ce contributeur Profil
Date
Site d'observation
Yale University, New Haven US-CT (41.3077,-72.9323)
New Haven, Connecticut, United States
Fichiers multimédias de cet endroit Liste illustrée- Âge
- Non précisé
- Sexe
- Non précisé
- Repasse
- Non précisé
Détails de l'observation
Conservative estimate. Stopover roosting site. A cloud of swifts covering most of the square block, with most arriving from the west and north. First flock (~800 birds) began entering chimney around 7:55PM, and had finished well before dark. Once the first flock was in, a second flock (~1200 individuals) began staging at 8:00PM. This flock began entering the chimney around 8:15PM.
Informations techniques
- Enregistreur
- Microphone
- Accessoires
- Taille originale du fichier
- 2.15 MB