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Old Tuesday 2nd August 2016, 10:57   #8
Fat Paul Scholes
My real name is Mark Lewis

 
Join Date: Mar 2008
Location: Aberdeen
Posts: 2,641
There is a self sustaining population of introduced ruddy shelduck in the Netherlands - and these birds show regular migratory movements.

Its likely that some, if not most, (or even all?) of our ruddy shelducks are from this stock. I agree that it's likely that there are genuine vagrant ones, but which ones are they?

Another likely candidate for addition to C5 is bar-headed goose. Spring peaks in arrivals (sometimes of large groups) in eastern Scotland and the Northern isles - and much less chance that these are genuine vagrants...!
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