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Possibly Booted Eagle? (1 Viewer)

John Cantelo said:
I couldn't agree more. How far, I wonder, is the inclusion of cirtensis within Long-legged Buzzard more to do with our human bias towards visual details like plumage rather than considering shape, behaviour etc when assigning a bird to a particular species. Have there been any DNA studies on these birds and, if so, what does it suggest? Would putting it within Buteo buteo raise just as many questions? Is splitting it as a novel species in its own right unsupportable?
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As far as I remember, one genetic studies show weak differences between cirtensis and buteo but same weak differences between rufinus and buteo... as no one want to lump them all, we have to wait for another study to offer a fair solution!
 
apart from humancentric views (we are classifying them after all) wouldnt it be helpful to examine all gradually using UV to see how THEY differentiate each other? might lead to a whole new discussion on these subspecies and hybrids and geographical variation!
 
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