ML609426528
Collaboratore
Data
Località
- Età
- Non specificato
- Sesso
- Non specificato
Dettagli dell'osservazione
Very impressive numbers coming close into shore and then passing directly overhead as they flew inland. I estimated around 20 individuals offshore when I first arrived at 15:20. I then counted the total number of birds visible in a full scan of the horizon every ca. 30 minutes. It seemed like birds were mostly accumulating in the area before flying inland so I’ve listed the highest single count here, which is likely be an underestimate of the total. Counts were as follows: 15:50 = 38 individuals, 16:20 = 46 individuals, ~16:40 = 61 individuals. First birds noted flying over the beach and headed inland around 16:00. Numbers dramatically started to increase after 17:00: 17:20 = 322 + probably 20 birds already passed overhead to go inland; 17:50 = high count of 640 birds offshore (estimated conservatively counting by tens) + minimum of 40 having passed overhead to go inland; 18:10 = 450 offshore (estimated by 10s) with lots having gone inland. The sun had just set around 18:10 so this last count may be an underestimate given that it was harder to see distant birds in the fading light. Listing the 17:50 high count + the estimated number that had gone inland already as the total here.
Informazioni tecniche
- Modello
- NIKON D850
- Lenti
- 500.0 mm f/5.6
- ISO
- 640
- Lunghezza focale
- 500 mm
- Flash
- Flash did not fire
- f-stop
- f/5.6
- Velocità otturaore
- 1/8000 sec
- Dimensioni
- 3080 pixels x 2055 pixels
- Dimensione originale file
- 3.35 MB