ML181033051
Участник
LynnErla Beegle Media from this contributor Профиль
Дата
Местоположение
Chimney Swift Roost--Downtown Raleigh
Wake, North Carolina, United States
Media from this location Иллюстрированный Список Видов- Возраст
- Не указано
- Пол
- Не указано
- Поведение
- В полете
Примечания
CHSW Migration flock entering chimney at 19:14 EDT. Most of flock is visible as a spiral.
Подробности наблюдения
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.
Техническая информация
- Модель
- COOLPIX S7000
- ISO
- 500
- Фокусное расстояние
- 4.5 mm
- Вспышка
- Flash did not fire, auto
- Диафрагма
- f/3.4
- Выдержка
- 1/8 sec
- Размеры
- 4608 pixels x 3456 pixels
- Исходный размер файла
- 6.25 MB