ML181033051
Laguntzailea
LynnErla Beegle Laguntzaile honen media Profila
Data
Kokapena
Chimney Swift Roost--Downtown Raleigh
Wake, North Carolina, United States
Kokapen honetako media fitxategiak Ilustratutako zerrendak- Adina
- Zehaztu gabea
- Sexua
- Zehaztu gabea
- Portaerak
- Hegan
Iruzkina
CHSW Migration flock entering chimney at 19:14 EDT. Most of flock is visible as a spiral.
Behaketaren xehetasunak
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.
Informazio teknikoa
- Eredua
- COOLPIX S7000
- ISOa
- 500
- Distantzia fokala
- 4.5 mm
- Flasha
- Flash did not fire, auto
- f-stop
- f/3.4
- Obturadorearen abiadura
- 1/8 sec
- Dimentsioak
- 4608 pixels x 3456 pixels
- Fitxategiaren tamaina originala
- 6.25 MB