Egrets

species: 
Cattle Egret
scientific name: 
Bubulcus ibis
notes: 

Yellow ring with a 3 alpha-numeric code and a metal ring.

note 1 : the colour ring is yellow with a 3 alpha-numeric code of three letters and numbers (usually two letters and one number, but it’s also possible three letters or two numbers and one letter, always the first character a 3 or a 4).
note 2 :  all the individuals were ringed in a wintering area of the species around the city of Mataró (El Maresme-Catalunya-NE Spain) between 2006-2009. [2006: 15 ; 2007:   2 ; 2008:  34 ; 2009:  7].
note 3 : since 2008 onwards, the metal and colour ring was placed on the tibia; before this year it was placed on the tarsus.
note 4 : The objective of the work is to know the origin of the suburban colony that winters inside the city of Mataró and that feeds around this point.

email sighting submit: 
email sighting submit (2): 
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: 
Spain.