| Gulls | Legring : one, coded. | Mediterranean Gull | Black (Niger) [N] | Four alpha-numeric code (4 letters/numbers). | P |  |  | 
          
                  | Gulls | Legring : one, coded. | Black-headed Gull | White [W] | Four alpha-numeric code (4 letters/numbers). | T |  |  | 
          
                  | Gulls | Legring : one, coded. | Black-headed Gull | Black (Niger) [N] | Two alpha code (2 letters). |  |  | Tarsus left. | 
          
                  | Gulls | Legring : one, coded. | Eurasian Mew Gull | Dark Green [G] | Four alpha-numeric code (4 letters/numbers). | 2 |  |  | 
          
                  | Gulls | Legring : one, coded. | Mediterranean Gull | Dark Blue [B] | Four alpha-numeric code (4 letters/numbers). | 5 |  |  | 
          
                  | Gulls | Legring : one, coded. | Black-headed Gull | Dark Blue [B] | Four numeric code (4 numbers). | 2 |  |  | 
          
                  | Gulls | Legring : one, coded. | Eurasian Mew Gull | Orange [O] | Four alpha-numeric code (4 letters/numbers). | 2 |  |  | 
          
                  | Gulls | Legring : one, coded. | Eurasian Mew Gull | White [W] | Four alpha-numeric code (4 letters/numbers). | 2 |  |  | 
          
                  | Gulls | Legring : one, coded. | Eurasian Mew Gull | Black (Niger) [N] | Four alpha-numeric code (4 letters/numbers). | 2 |  |  | 
          
                  | Gulls | Legring : one, coded. | Black-legged Kittiwake | Red [R] | Three alpha code (3 letters). | N |  | Tarsus left. | 
          
                  | Gulls | Legring : one, coded. | Black-legged Kittiwake | Red [R] | Three alpha code (3 letters). | V |  | Tarsus left. | 
          
                  | Gulls | Legring : one, coded. | Great Black-backed Gull | Dark Green [G] | Four alpha-numeric code (4 letters/numbers). | Z |  | Tarsus right. | 
          
                  | Gulls | Legring : one, coded. | Herring Gull | Dark Green [G] | Four alpha-numeric code (4 letters/numbers). | AX |  | Tarsus right. | 
          
                  | Gulls | Legring : one, coded. | Black-headed Gull | Dark Blue [B] | Three alpha code (3 letters). |  |  |  | 
          
                  | Gulls | Legring : one, coded. | Lesser Black-backed Gull | Dark Green [G] | Four alpha-numeric code (4 letters/numbers). | B: |  |  | 
          
                  | Gulls | Legrings : combination of uncoded. | Black-legged Kittiwake |  |  |  |  |  | 
          
                  | Gulls | Legring : one, coded. | Lesser Black-backed Gull | White [W] | Four alpha-numeric code (4 letters/numbers). | Z |  |  | 
          
                  | Gulls | Legring : one, coded. | Caspian Gull | Yellow [Y] | Four alpha code (4 letters). | X |  |  | 
          
                  | Gulls | Legring : one, coded. | Caspian Gull |  | Two alpha-numeric code (2 letters/numbers). |  |  |  | 
          
                  | Gulls | Legring : one, coded. | Black-headed Gull | Yellow [Y] | Four alpha code (4 letters). | H |  |  | 
          
                  | Gulls | Legring : one, coded. | Black-headed Gull | Yellow [Y] | Four alpha code (4 letters). | T |  |  | 
          
                  | Gulls | Legring : one, coded. | Yellow-legged Gull | Dark Green [G] | Four alpha-numeric code (4 letters/numbers). | Z |  |  | 
          
                  | Gulls | Legring : one, coded. | Lesser Black-backed Gull | Dark Green [G] | Four alpha-numeric code (4 letters/numbers). | N: |  | Tarsus left. | 
          
                  | Gulls | Legrings : combination of coded. | Great Black-backed Gull | Black (Niger) [N] | Three alpha-numeric code (3 letters/numbers). |  |  |  | 
          
                  | Gulls | Legring : one, coded. | Black-headed Gull | Dark Green [G] | Four alpha-numeric code (4 letters/numbers). | N |  |  |