Eurasian Coot

Combination of c-rings.

note 1 : c-ring above BTO metal ring (on right leg) ; c-ring above c-ring (on left leg).

note 2 : used colours are white, black, green, yellow, pink, orange, red, purple, dark-blue and light-blue.

note 3 : birds are ringed in North West England.

note 4 : project started in winter 2009.

note 5 : use of this combination finished in 2011, by which time 1000 birds had been ringed: http://birdringing.blogspot.co.uk/2011/09/1000-up.html .  Reports of these birds are still required however.  

Orange neckband with black code (3 symbols or a 3 alphanumeric code).

note 1 : this project is under ‘test’’ and needs still a permission of the French ringing centre.

note 2 : not used letters/numbers are : B and 8.

Blue neckband with a three alpha-numeric code, starting letter "H". 

note 1 :

note 2 :

Dark-green ring with a white four alpha-numeric code, starting letter 'A' or 'C' and three numbers.

note 1 :

White ring with a black three numeric code.

note 1 : used codes are 350-400 and 900-999.

White ring with a black three alpha-numeric code (letter/number/number) OR (letter/letter/number) (on one leg) and metal ring (on the other leg). 

note 1 : white rings with black code are used in Schleswig-Holstein and Hamburg, Germany.

note 2 : used three alpha-numeric codes are "letter/number/number", using only these codes: N**, O**, P**, S**, T**, V**, W** with ** = 00 – 99 (for instance “S10”)

note 3 : used three alpha-numeric codes are "letter/letter/number", using only these codes: N#*, S#*, P#* with # = A – Z and * = 0 – 9 (for instance “NE9”)

note 4 : for the future, the use of the following code is planned and reserved: “letter/number/letter“ (e.g. A1A – Z9Z).

note 5 : take care for mistakes reading letters B, I, O, S and Z compared with the numbers 8, 1, 0, 5 and 2. (For example N82 is similar to NBZ ; P05 is similar to POS ; NA1 is similar to NAI.)

note 6 : 800 birds ringed up to 2013.

White ring with a black 3 alpha-numeric code (AAA-ZZZ) (on left leg) and BTO-metal ring (on right leg).

note 1 : used letters are : A,B,C,D,F,H,I,J,K,L,N,R, S,T,V,X,Z and used numbers are : 3,4,6,7.

Combination of c-rings : 
* c-ring (on left tarsus).
* c-ring below of above metal ring (one right tarsus).

note 1 : used colours are :  red, yellow, light-green (lime), dark-green, pale-blue, dark-blue, orange, violet/mauve/purple , light-pink, tirquoise, dark-pink/carmine, black, white, brown, silver/grey and red/white : red/white stripes.

note 2 :

Orange ring with black 3 alpha-code and metal ring.

note 1 : birds are mostly ringed in cityparks in the Netherlands.
Used letters are : A, C, F, H, J, K, U, V or Z and these series :
JUA-JUZ, JVA-JUZ, JXA-JXZ, JZA-JZZ and KAA-KAZ, KCA-KCZ, KFA-KFZ, KHA-KHZ ...

note 2 : first letter is used as 'marker' for the several places.
A = Arnhem, F & H = Amsterdam, R = Roermond and Z = Zoetermeer.

note 3 : codes RAA untill RZZ could be reported to Rob Voesten :

Rob_voesten@yahoo.com

note 4 : codes ZAA untill ZZZ could be reported to Benny Middendorp :
benmiddendorp@gmail.com

note 5 :