ML81553251
作者
日期
地点
- 年龄和性别
- 幼鸟,性别未知 - X
媒体文件注释
Photo (c) George Higgins.
观察细节
A juvenile Ross's Gull was discovered by visitors to Herschel Island-Qikiqtaruk and pointed out to Helmut Grünberg who was also visiting the island. Helmut identified the bird as a juvenile Ross's Gull, and photos were obtained by George Higgins. It was present at Pauline Cove 21-25 July 1991. The timing of this juvenile Ross's Gull was months earlier than the species' regular fall passage at Point Barrow, Alaska, and thus suggestive of local breeding. In flight, the juvenile shows a wedge-shaped tail with black tips on the central tail feathers. REFERENCE: Sinclair, P. H., W. A. Nixon, C. D. Eckert, and N. L. Hughes (Eds). 2003. Birds of the Yukon Territory. University of British Columbia Press, Vancouver, British Columbia. 595 pp.
技术信息
- 尺寸
- 4281 pixels x 2854 pixels
- 原始文件大小
- 4.92 MB