ML181033051
Collaboratore
LynnErla Beegle Contenuti multimediali da questo collaboratore Profilo
Data
Località
Chimney Swift Roost--Downtown Raleigh
Wake, North Carolina, United States
Contenuti multimediali da questa località Checklist illustrata- Età
- Non specificato
- Sesso
- Non specificato
- Comportamenti
- In volo
Note contenuto multimediale
CHSW Migration flock entering chimney at 19:14 EDT. Most of flock is visible as a spiral.
Dettagli dell'osservazione
Started out about 500 but kept increasing until time of entry into N&O chimney (directly west of our location). Estimate, increased rapidly between 6:50 and 7:05 pm EDT. A few entered chimney early but main flow began at 19:10 through 19:20 with heaviest infow at 19:15. One estimate based on 5 birds a second for 10 minutes.
Informazioni tecniche
- Modello
- COOLPIX S7000
- ISO
- 500
- Lunghezza focale
- 4.5 mm
- Flash
- Flash did not fire, auto
- f-stop
- f/3.4
- Velocità otturaore
- 1/8 sec
- Dimensioni
- 4608 pixels x 3456 pixels
- Dimensione originale file
- 6.25 MB