ML512640091
- 年齡
- 未確定
- 性別
- 未確定
觀察細節
I spent a full hour birding the trail between the parking lot and the island overlook (08:30-09:30) and then spent another half hour watching the feeders and talking with the volunteers east of the entrance road. When I returned to my car at the riverside parking lot (10:00), I was more than surprised to hear a long series of unmistakable Brown Jay calls coming from upriver (in the direction of the island overlook). I grabbed my camera and intercepted a flock of 5 jays about 100 m up the trail. I got good looks at the bills of three birds---all immatures with varying amounts of yellow at gape and/or base of bill. I followed them for several minutes until they moved out of range to the west on the arroyo (adjacent to the island overlook). They were definitely not in the area from 08:30 to 09:30. I lingered in the area for another hour with the hope of getting better photos but they never reappeared. I suspect this was a wandering family group traveling along the north bank of the river toward Falcon Dam.
技術資訊
- 型號
- Canon EOS 80D
- 鏡頭
- EF400mm f/5.6L USM
- ISO
- 640
- 焦距
- 400 mm
- 閃光
- Flash did not fire
- 光圈值
- f/7.1
- 快門
- 1/400 sec
- 次方
- 1872 pixels x 1784 pixels
- 原始檔案大小
- 1.42 MB