Eurasian Mew Gull

White ring with a black four alpha-numeric code, always starting with E.

note 1 : code always starts with the letter E followed by 3 alpha-numerics.

note 2 : most rings have to be read from bottom to top.

note 3 : 4 alpha codes : 

* codes EAAA-EXZZ can be reported by  http://submit.cr-birding.org/projects/12/

* codes EYAA-EZZZ can be reported by http://www.cr-birding.org/node/4507

Dark-Green ring with a white three alpha-numeric code (starting letter "H") (on left leg) and metal ring (on right leg).

note 1 : H-number-number ; H-letter-number ;

White ring with black 4 alpha-numeric code (starting letter 'P' ).

note 1 : used codes are P000-P999, PA00-PA99, PC00-PC99, PE00-PE99, PH00-PH99, PJ00-PJ99, PK00-PK99, PN00-PN99, PP00-PP99, PR00-PR99, PS00-PS99, PU00-PU99, PV00-PV99, PX00-PX99, PY00-PY99, PZ01-PZ26, P0A0-P9A9, P0C0-P9C9, P0E1-P1E5, P0H0-P9H9, P0J0-P9J9, P0K0-P9K9, P0N0-P9N9. P0P0-P9P9, P0R0-P9R9, P0S0-P9S9, P0U0-P9U9, P0V0-P9V9, P0X0-P9X9, P0Y0-P9Y9, P0Z0-P9Z9, P00A-P99A, P01E-P19E, ...

also : P00E-P99E, P00H-P99H, P00J-P99J, P00K-P99K, P00N-P99N, P00P-P99P, P00R-P99R, P00S-P99S, P00U-P99U, P00V-P99V, P01X-P63X.

note 2 : exact place of the project is Estonia, Matsalu National Park (58°46’ N 23°26’E).

note 3 :