"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).
Click on any of the main images for a closer view
Tuesday, 11 September 2012
Yellow-legged Gull, Black Rock
Adult Yellow-legged Gull, Black Rock, 11th September 2012 (David O'Connor).