"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, 16 March 2018
Yellow-legged Gull, Black Rock
Adult Yellow-legged Gull (rear, second from left, with Lesser Black-backed Gulls and Common Gulls), Black Rock, 12th March 2018 (David O'Connor).
Adult Yellow-legged Gull, Black Rock, 12th March 2018 (David O'Connor).
