Little Gull (Hydrocoloeus minutus) in 1st summer/ 2nd calendar year plumage.
Black-headed Gull (Chroicocephalus ridibundus) on the left and Little Gull (Hydrocoloeus minutus), both in 1st summer/ 2nd calendar year plumage.
Black-headed Gull (Chroicocephalus ridibundus) on the left and Little Gull (Hydrocoloeus minutus), both in 1st summer/ 2nd calendar year plumage.