ML450367011
Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelli
作者
Chad Hutchinson 该用户提供的媒体文件 档案
日期
地点
Thomas P. Bentley Nature Preserve
Chester, Pennsylvania, United States
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观察细节
Possible Bicknell's Thrush. Gray-faced thrush with short primary extension, bright yellow at base of bill, reddish coloring on tail and seemingly higher-pitched call than GCTH. Not uniformly gray as would be expected for GCTH. According to some local experts, this bird has too much crossover with both species to call it one way or the other. Input greatly appreciated from Ross Gallardy, Zach Millen, Holly Merker and Matt Halley.
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