ML52359781
作者
Praveen J 该用户提供的媒体文件 档案
日期
地点
Hoskote / Hosakote Kere
Bengaluru Rural, Karnataka, India
该地点产生的媒体文件 配图名录- 年龄
- 未说明
- 性别
- 未说明
观察细节
There were three birds - probably all same species - showing complete breast band a little feathers behind the tarsus. See analysis in Chandran (2017) Identification of Sand Martins Riparia riparia in southern India Malabar Trogon 15(3): 27-27 This record has 86% match to Sand Martin features 1-Dark brown upperparts. 2-Strongly contrasting cheek patch. 3- Dark and contrasting breast band. 4-Feathered tarsi. 5-Uniformly pale chin and upper throat. 6-Dark brown head and less obvious eye surround. 7- Tail fork not assessing. 6 out of 7 features are favourable to R. r. riparia
技术信息
- 型号
- COOLPIX P900
- ISO
- 250
- 焦距
- 357 mm
- 闪光
- Flash did not fire, auto
- 光圈
- f/6.5
- 快门速度
- 1/500 sec
- 尺寸
- 2540 pixels x 2589 pixels
- 原始文件大小
- 2.84 MB