| 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Gull-billed Tern           | 
                  
            White [W]           | 
                  
            Three alpha-numeric code (3 letters/numbers).           | 
                  
            R or V or T or L           | 
                  
                       | 
                  
            Tarsus right.           | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded (symbol and code).           | 
                  
            Common Tern           | 
                  
            Black (Niger) [N]           | 
                  
                       | 
                  
                       | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Sandwich Tern           | 
                  
            White [W]           | 
                  
            Three numeric code (3 numbers).           | 
                  
                       | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Sandwich Tern           | 
                  
            Dark Blue [B]           | 
                  
            Three alpha-numeric code (3 letters/numbers).           | 
                  
            K           | 
                  
                       | 
                  
            Tarsus left.           | 
              
          
                  | 
            Terns           | 
                  
            Flag : one, coded.           | 
                  
            Common Tern           | 
                  
            Yellow [Y]           | 
                  
            Three numeric code (3 numbers).           | 
                  
                       | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Sandwich Tern           | 
                  
            Yellow [Y]           | 
                  
            Three alpha code (3 letters).           | 
                  
            N or J or H           | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Sandwich Tern           | 
                  
            White [W]           | 
                  
            Three alpha code (3 letters).           | 
                  
            N or H           | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Common Tern           | 
                  
            Yellow [Y]           | 
                  
            Three alpha code (3 letters).           | 
                  
            C           | 
                  
                       | 
                  
            Tarsus left.           | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Sandwich Tern           | 
                  
            Red [R]           | 
                  
            Three alpha-numeric code (3 letters/numbers).           | 
                  
            L           | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Common Tern           | 
                  
            Black (Niger) [N]           | 
                  
            Three alpha-numeric code (3 letters/numbers).           | 
                  
            N           | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Common Tern           | 
                  
            Dark Green [G]           | 
                  
            Three alpha-numeric code (3 letters/numbers).           | 
                  
            N           | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Sandwich Tern           | 
                  
            White [W]           | 
                  
            Three alpha-numeric code (3 letters/numbers).           | 
                  
                       | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Sandwich Tern           | 
                  
            Yellow [Y]           | 
                  
            Three alpha-numeric code (3 letters/numbers).           | 
                  
                       | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Sandwich Tern           | 
                  
            Dark Green [G]           | 
                  
            Three alpha-numeric code (3 letters/numbers).           | 
                  
                       | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Sandwich Tern           | 
                  
            White [W]           | 
                  
            Three alpha-numeric code (3 letters/numbers).           | 
                  
                       | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Sandwich Tern           | 
                  
            Yellow [Y]           | 
                  
            Three alpha-numeric code (3 letters/numbers).           | 
                  
                       | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Royal Tern           | 
                  
            Dark Green [G]           | 
                  
            Three alpha code (3 letters).           | 
                  
            A           | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Cabot's Tern           | 
                  
            Dark Green [G]           | 
                  
            Three alpha code (3 letters).           | 
                  
            A, B or F           | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Sooty Tern           | 
                  
            Dark Green [G]           | 
                  
            Three alpha code (3 letters).           | 
                  
            A or B           | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Brown Noddy           | 
                  
            Dark Green [G]           | 
                  
            Three alpha code (3 letters).           | 
                  
                       | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Common Tern           | 
                  
            White [W]           | 
                  
            Three alpha-numeric code (3 letters/numbers).           | 
                  
                       | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Sandwich Tern           | 
                  
            Dark Green [G]           | 
                  
            Three alpha code (3 letters).           | 
                  
            N or J or H           | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Sandwich Tern           | 
                  
            Dark Green [G]           | 
                  
            Three alpha-numeric code (3 letters/numbers).           | 
                  
            N or J or H           | 
                  
                       | 
                  
                       | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Arctic Tern           | 
                  
            White [W]           | 
                  
            Three alpha-numeric code (3 letters/numbers).           | 
                  
                       | 
                  
                       | 
                  
            Tarsus left.           | 
              
          
                  | 
            Terns           | 
                  
            Legring : one, coded.           | 
                  
            Whiskered Tern           | 
                  
            Dark Green [G]           | 
                  
            Three alpha-numeric code (3 letters/numbers).           | 
                  
                       | 
                  
                       | 
                  
                       |