Blue Tit

Combination of c-rings : metal ring above 1 c-ring (on left leg) and 2 c-rings (on right leg).

note 1 : used colours are : dark-green, light-blue, dark-blue, mauve, black, red, orange, yellow, white, dark-pink.
note 2 : birds ringed in Fife Region, United Kingdom.

White ring with a black 3 alpha-numeric code (letter/number/number)

note 1 : used codes are:A01-A00, C01-C00, E01-E00,

note 2 :

Combination of 2 c-rings : 1 c-ring above metal ring (on one leg) and 1 c-ring (on the other leg).

note 1 : used colours are white, black, brown, red, orange, yellow, green, blue, mauve, pink.

note 2 : birds ringed in Cornwall, United Kingdom.

note 3 :

Combination of 3 c-rings : 1 c-ring above metal ring (on left leg) and 2 c-rings (on right leg).

note 1 : birds ringed in the UK, campus of the University of South Wales, Glamorgan.

note 2 :

Combination of 3 c-rings : 2 c-rings (on left leg) and 1 c-ring above metal ring (on right leg).

note 1 : birds ringed in the UK, Hampshire.

Combination of 3 c-rings : 2 c-rings (on left leg) and 1 c-ring above metal ring (on right leg).

note 1 : used colours are : white, orange, light-green, yellow, pale-blue, red, mauve, dark-pink, black.

note 2 : birds ringed in the UK, Cleveland.

Combinations of  c-rings : 2 c-rings (on one leg) and 1 c-ring and metal ring (on other leg).  

note 1 : used colours are black, white, yellow, orange, green, blue, red, purple, striped ring (pink-black and pink-white).

Lime (light-green) ring with a black two alpha-numeric code (on left leg). 

note 1 :

Two numeric code  and 0-1 c-ring (on left leg) and 1x Dark Pink above metal ring (on right leg).

note 1 : used engraved colour rings are : yellow and orange with black digits (00-99).

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

note 3 : birds ringed in the UK, Herefordshire.

note 4 : used plain colours on left leg : black, white, grey, brown, mauve, light-blue, green, orange, red, yellow, dark-pink.

note 5 :

Yellow ring with a black three alpha-numeric code.

note 1 : used codes are A00-A99.