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Posted by Robin Diaz on 07:57:04 08/14/14
In Reply to: Re: Bicknell's Thrush posted by Bill Pranty
On 12 May 2007, in addition to two Bicknell's Thrushes banded in Cape Florida, at 8 AM I observed a bird singing on the east side of the park. Steve Siegel grabbed his video camera and made a sound recording of the bird. The bird disappeared into a thick shrub, so Steve was unable to capture a video of it singing. About 11 AM, Dean and Sally Jue, Bob Whitcomb and Mickey Wheeler heard a bird singing at the north end of the park. However, none of the thurshes were ID'd only by sight.
Even in the hand, there are overlapping measurements of Bicknell's and Gray-cheeked Thrush, making it almost impossible to ID a Bicknell's Thrush by sight alone. (Researchers have a better chance than we birders!) The "integrade" birds aren't uncommon and even have their own designated alpha banding code.
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