Common Blackbird

Combination of 4 c-rings and a metal ring :
- 3 c-rings (on one leg)
- 1 white with a black one alpha code : letter 'K' . 

note 1 : white ring with black 'K' is the projectmarker.

note 2 : all rings on both tarsi.

note 3 : birds ringed in the prov. of Groningen (northern part of The Netherlands).

note 4 : used colours are blue, white, green, yellow, orange, red and pink.

note 5 : do pay attention and look very well for differences between red<->orange, blue<->green.

note 6 : 

Combination of :
* orange ring with a black three numeric code
* 0-1 c-ring (on left leg) and 1x dark-pink above metal ring (on right leg).

note 1 : birds ringed in the UK, Herefordshire.

note 2 : additional radio transmitter attached to rings on right leg.

note 3 : used plain colours on left leg : black, white, grey, brown, mauve, light-blue, green, orange, red, yellow, dark-pink.

note 4 :

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

note 1 :

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

note 1 : birds ringed in the UK, Wales.

Combination of:
* red ring with a white code/letter "X" above metal ring (on left leg)
* 2 c-rings (on right leg).

note 1 : birds ringed in the UK.

note 2 :

Dark-blue ring with white three alpha-numeric code (letter/letter/number) (on right tarsus) and metal ring (on left tarsus).

note 1 : birds are ringed in Western Pomerania region in NW Poland.

note 2 : 

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

note 1 : the birds are marked with a nlack or a white or a yellow c-ring with a white 3 alphanumeric code, respectively a black inscription, on the left leg and the metal ring on the right leg.
note 2 : the project studies the effects of light pollution on blackbirds on a light gradient ranging from the riparian forest to the city centre.
note 3 : some birds carry a radio transmitter.
 

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

note 1 : the birds are marked with a yellow or a white or a black c-rings with a black 3 alphanumeric code, respectively a white inscription, on the left leg and the metal ring on the right leg.
note 2 : the project studies the effects of light pollution on blackbirds on a light gradient ranging from the riparian forest to the city centre.
note 3 : some birds carry a radio transmitter.
 

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

note 1 : the birds are marked with a white or a yellow or a black c-rings with a black 3 alphanumeric code, respectively a white inscription, on the left leg and the metal ring on the right leg.

note 2 : the project studies the effects of light pollution on blackbirds on a light gradient ranging from the riparian forest to the city centre.

note 3 : some birds carry a radio transmitter.

note 4 :

Combination of 3 c-rings (on left leg) and 1 c-ring above metal ring (on right leg).

note 1 : c-ring on right leg is the marker and in 2012 is this red.
note 2 : birds ringed near Molenhoek, N-Limburg, The Netherlands.