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Nikon D850, Nikon 500mm F5.6 pf
ISO 500, 1/1600s, F6.3 Evolution seems to be taking over where the Golden Winged and Blue Winged Warbler's territories overlap. According to a recent study the two Warbler's share 99.97% of their DNA which makes them essentially the same bird, with the exception being their plumage. In that regard, the Blue Winged warbler appears to be the dominant species. In the years to come, the Golden Winged Warbler as we know it plumage wise, will be gone. I find it a bit sad but it is not the same as extinction, it is just the natural order of nature taking its course. This image was taken in the same area of the Brewster's Warbler I recently posted and shows the progression of the Blue Winged Warbler plumage on this Golden Winged Warbler. A "pure" Golden Wing would only have the gold/yellow on his cap and his wing bars. All the other yellow is part of the generational changes in the area. Please click for higher resolution. |
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by david fletcher
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