Terns

species: 
Common Tern
scientific name: 
Sterna hirundo
notes: 

Black ring with a white code :
a plus symbol before OR in the middle OR at the end of
a two alpha code OR a two alpha-numeric code OR a two numeric code.

note 1 : used codes are : +AA to +ZZ ; A+A to Z+Z ; AA+ to ZZ+

note 2 : used codes are : +A1 to +Z9, +1A to +9Z,  A+1 to Z+9, 1+A to 9+Z, A1+ to Z9+, 1A+ to 9Z+

note 3 : used codes are :  +00 to +99,  0+0 to 9+9, 00+ to 99+

note 4 :

email sighting submit: 
contactperson: 
Yosef Kiat
colour-ring type: 
Legring : one, coded (symbol and code).
colour-ring colour (of the c-ring): 
Black (Niger) [N]
countries where ringed: 
Israël