ML179587291
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
- Tag
- Habitat
Note contenuto multimediale
Time 19:16 EDT already started to enter chimney but just swirling in this photo
Dettagli dell'osservazione
Conservative estimate, based on counting 100x100 of swirling flock. The swifts entered the chimney at 215 South McDowell (News & Observer) from 7:14 until 7:30. About 10 per second entered the chimney over a period of 15 minutes. There were breaks in between where they were swirling, so another estimate was based on 500 birds entering the chimney per minute for a total of 7 active minutes. They started the entry at 7:14 and the last bird entered at 7:30.See photos.
Informazioni tecniche
- Modello
- COOLPIX S7000
- ISO
- 280
- Lunghezza focale
- 11.1 mm
- Flash
- Flash did not fire, auto
- f-stop
- f/4.4
- Velocità otturaore
- 1/30 sec
- Dimensioni
- 2048 pixels x 1536 pixels
- Dimensione originale file
- 613.36 KB