Common Redstart

Black ring with a white two alpha code (on left leg) and metal ring (on right leg).

note 1 : birds ringed in Staffordshire.

note 2 : 

Combination of 3 c-rings :
* BTO metal over c-ring (on left leg).
* 2 c-rings (on right leg).

note 1 : birds ringed Hampshire UK.

note 2 :

Combination of c-ring colour and metal ring.

note 1 : used colours are : red, white, dark-green, yellow, black, dark-blue.

note 2 : metal ring can be on the left or right leg.

note 3 : one c-ring for one leg, never two.

note 4 :

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

note 1 : codes used: A00-A69.

note 2 : birds ringed in Devon.

note 3 :

Yellow ring with a black two alpha-numeric code and metal ring (on other

leg).

note 1 : used letters are A, C, F, H, J, L, M, N, P, R, T, U, V, W and X.

note 2 : used numbers are 0 - 9.

note 3 : birds ringed since 2020.

note 4 : generally, PVC ring on left tarsus.

note 5 :

Yellow ring with a black two numeric code and metal ring (on other leg).

note 1 : used numbers are : 0 - 9.

note 2 : birds ringed since 2020.

note 3 : generally, PVC ring on left tarsus.

note 4 :

Yellow ring with a black two alpha code and metal ring (on other leg).

note 1 : used letters are : A, C, F, H, J, L, M, N, P, R, T, U, V, W and X.

note 2 : birds ringed since 2020.

note 3 : generally, PVC ring on left tarsus.

note 4 :

Combination of 2 c-rings : 
* 2 c-rings (on right leg)
* metal ring (on left leg). 

note 1 : used colours are : red, white, dark-blue, dark-green, black, brown.

note 2 : birds ringed in the UK, county Cambridgeshire.  

note 3 : 

One (uncoded) c-ring (on left leg) and metal ring (on right leg).

note 1 : birds are ringed as nestlings and followed them during the post-fledging period ​and are followed by radio-telemetry ​(in collaboration with Dr. Jarkko Rutila, our Finnish cooperating researcher and ​the ​holder of the research permit).

note 2 : each chick has a metal ring (right leg) and a single color ring (left leg). Colors would be reused per each brood (broods are spatially distant and a combination of the c-ring plus radio-telemetry signals would exclude any identification confusions).

note 3 : the target of our project is not migration but simply id recognition of chicks during first 2 to max. 3 weeks postfledge.

note 4 :

Red ring with a white code (letter "G" above metal ring (on right leg) and 2 c-rings (on left leg).
OR
Red ring with a white code (letter "G" above metal ring (on left leg) and 2 c-rings (on right leg).

note 1 : used colours are : black, red, yellow, dark-green, blue, orange, violet and white.

note 2 :