Peregrine Falcon
scientific name: 
Falco peregrinus

Yellow ring with a black three alpha-numeric code,
starting letter "Y" OR "S" OR "E"
followed by two numbers OR a letter and a number OR a number and a letter.

note 1 : beware of a simiilar project in the UK.

note 2 :

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Yellow [Y]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
First letter/number (of the c-ring): 
Y or S or E