ML181033051
Contribuidor
LynnErla Beegle Media from this contributor Perfil
Fecha
Localidad
Chimney Swift Roost--Downtown Raleigh
Wake, North Carolina, United States
Media from this location Listado ilustrado- Edad
- No especificado
- Sexo
- No especificado
- Comportamientos
- Volando
Comentarios
CHSW Migration flock entering chimney at 19:14 EDT. Most of flock is visible as a spiral.
Detalles de la observación
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.
Información técnica
- Model
- COOLPIX S7000
- ISO
- 500
- Focal length
- 4.5 mm
- Flash
- Flash did not fire, auto
- f-stop
- f/3.4
- Shutter speed
- 1/8 sec
- Dimensions
- 4608 pixels x 3456 pixels
- Original file size
- 6.25 MB