Archive for catharus
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A hybrid thrush has been found on Stratton Mountain in Vermont. The bird, which was determined through DNA analysis to be part Bicknell’s Thrush and part Veery, was found by researchers with the Vermont Center for Ecostudies who were studying Bicknell’s Thrush on the breeding grounds. It was first noticed by a researcher who heard [...]
Bicknell’s Thrush is truly a birder’s bird. Not only is this bird’s picture next to the dictionary definition of the word “drab” but it looks exactly like another more, easily accessible species. The only way to reliably differentiate Bicknell’s from its close relative, Gray-cheeked Thrush, short of genetic testing, is to hear it sing. To [...]
Identity theft occurs with astonishing regularity in the avian world where all too often, species share so many overlapping traits as to appear virtually indistinguishable. Empidonax flycatchers are an excellent example of this phenomenon in North America, as are scaup. More esoteric, but no more simplistic, is the difference between Gray-cheeked and Bicknell’s [...]