"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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Wednesday, 17 January 2018
Another Glaucous Gull, Black Rock
Adult Glaucous Gull, Black Rock, 17th January 2018 (David O'Connor).
Two more 'northern gulls' were also present at Black Rock, two first-winter Iceland Gulls.
