Whiskered Tern

Yellow ring with a black three alpha code (on left leg) and metal ring (on right leg).

note 1 : starting letter are "F" or "J" or "H" or "L" or "N".

note 2 : 

White ring with a black three alpha code (on one leg) and metal ring (on other leg).

note 1 : 

White ring with a black three alpha code.

note 1 : code is not ending with letter "X" or  letter "Z".

note 2 :  

White ring with a black three alpha-numeric code.

note 1 : used codes are : P01-P99, 0P0-9P9, 00P-99P.,

note 2 : 

White ring with a black three alpha code.

note 1 : starting letter P.

note 2 : used codes are PAA-PZZ.

note 3 : 

White ring with a black three alpha-numeric code :
* letter 'T' / number / number.
* number / letter 'T' / number.
* number / number / letter 'T'.

note 1 :  

Blue ring with a white three alpha-numeric code :
* letter 'T' / number / number.
* number / letter 'T' / number.
* number / number / letter 'T'.

note 1 :

Combination of rings.

note 1: used colours are : yellow, orange, blue, white and violet.

note 2: birds were ringed in Southern Poland, mostly in Upper Vistula River Valley.

note 3:
* 2004, ad. right tarsus: one yellow plastic-ring without inscriptions and purple (female) or blue (male), left tarsus: metal-ring and blue plastic-ring, pull. - right tarsus one yellow plastic-ring without inscriptions, left tarsus: metal-ring and blue plastic-ring.

* 2005, ad. - right tarsus: one yellow plastic-ring without inscriptions and purple (female) or blue (male), left tarsus: metal-ring and red plastic-ring, pull. - right tarsus one yellow plastic-ring without inscriptions, left tarsus: metal-ring and red plastic-ring.

* 2006, ad. - right tarsus: one yellow plastic-ring without inscriptions and purple (female) or blue (male), left tarsus: metal-ring and green plastic-ring, pull. - right tarsus one yellow plastic-ring without inscriptions, left tarsus: metal-ring and green plastic-ring.

During 2004-2006 some adults were painted red, yellow, black or brown.

Orange ring with a black 3 alpha-numeric code (on left leg) and metal ring (on right leg).

note 1 : used codes : A00-A99, C00-C99, Z00-Z99.

note 2 :

Combination of c-rings.

note 1 : right tarsus : 2 plastic rings or 1 plastic ring with metal ring ; left tarsus : 2 plastic rings or 1 plastic ring with metal ring.

note 2 : used colours are red, blue, white, green, violet, orange, yellow and black.

note 3 : birds are ringed in The Brenne, Central France during 2002 and as well adult as juvenile birds are involved.