Internet Bird Collection (IBC) בחינת אוסף
ML205719231 IBC 1105576
יוצר
Rusman Budi Prasetyo מדיה ממשתמש זה פרופיל
תאריך
מיקום
Bozem Wonorejo (-7.3087, 112.821)
Jawa Timur, Jawa, Indonesia
מדיה ממיקום זה רשימת מינים מאויירת- גיל
- לא מוגדר
- זוויג
- לא מוגדר
הערות
This chestnut brown duck is confusable only with the fulvous whistling duck (D. bicolor) but has chestnut upper-tail coverts.....unlike the creamy white in the latter. When flying straight, their head is held below the level of the body as in other Dendrocygna species. The crown appears dark and the sexes are alike in plumage. They fly slowly but with rapid wing-flapping and usually produce a repetitive wheezy seasick call as they circle overhead. They are very nocturnal and often rest during the day. The outermost primary feather has the inner vane modified. This has been said to aid in producing a whistling sound in flight, although this has not been supported by field studies. Elevation: 0 m. Date added to IBC: June 22, 2016.
אוסף
Internet Bird Collection (IBC)
מידע טכני
- מודל
- Canon EOS 60D
- עדשה
- 205-390mm
- ISO
- 1600
- אורך מוקד
- 390 mm
- פלאש
- Flash did not fire, auto
- צמצם
- f/8.0
- מהירות תריס
- 1/1600 sec
- מימדים
- 1000 pixels x 667 pixels
- גודל קובץ מקורי
- 353.21 KB