"In natural science the principles of truth ought to be confirmed by observations." (Linnaeus). "Though, preferably backed up by a series of high quality digital photos and video." (KerryBirding).
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Friday 21 September 2012
Yellow-legged Gull, possibly of Azorean race
Adult Yellow-legged Gull, showing characteristics of the Azorean race Atlantis, Black Rock, 19th September 2012 (David O'Connor).
