18 Nov 2021 4
Great Black-backed Gulls Larus marinus
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49.L.marinus ad 14012007 Stellendam

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50.Larus marinus adult  fishing (, more likely: stealing), from cormorant 14012007 Stellendam

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51.L.marinus ad flight 14012007 Stellendam

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52.L.marinus ad in flight 14012007 Stellendam

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53.L.marinus ad underwing 14012007 Stellendam

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54.L.marinus ad upper parts 14012007 Stellendam

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55.L.marinus ad 21012007 Stellendam

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56.L.marinus ad upper-wing 21012007 Stellendam