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  1. Andy Adcock

    Great-tailed or Boat-tailed Grackle? Nolton Haven, Pembrokeshire, Wales.

    I'd guess that the light conditions may have exaggerated the feature Brett?
  2. Andy Adcock

    Great-tailed or Boat-tailed Grackle? Nolton Haven, Pembrokeshire, Wales.

    It seems to be illustrated in Sibley Brett. Sibley also shows warmer underparts on Boat-tailed as I've already written and a reduced contrast between wings and back on Great-tailed, both features would seem apparent here so not really helpfull?
  3. Andy Adcock

    Great-tailed or Boat-tailed Grackle? Nolton Haven, Pembrokeshire, Wales.

    I detract Sir :LOL: I think it's best to keep them separate, as stated in post 10 here, not many Americans will looks at the UK rare bird page so valuable insight may be lost.
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