Blue Tit

Two c-rings (on left leg) and red or blue c-ring above metal (on right leg).

note 1 : birds ringed at Slimbridge WWT, Gloucestershire, UK.

note 2 :

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

note 1 : a coloured ring with a stripe in the middle (white, black, red, dark-green, orange, blue and white) and another coloured ring (dark-green, blue, violet, red, white, yellow, pink, brown, black and orange).

note 2 : birds ringed in Catalonia, Spain.

note 3 : birds ringed since 2024.

note 4 :

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

note 1 : used letters are : A, B, C, D, F, H, J, K, L, N, P, S, T, V, Z

note 2 : birds ringed in north east England.

note 3 :

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

note 1 : used letters are : A, B, C, D, F, H, J, K, L, N, P, S, T, V, Z.

note 2 : birds ringed in north east England.

note 3 :

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

note 1 : used letters are : A, B, C, D, F, H, J, K, L, N, P, S, T, V, Z

note 2 : birds ringed in North East England.

note 3 :

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

note 3 :

Black ring a white three alpha-numeric code (one letter + 2 numbers on left tarsus for females and on right tarsus on males) and metal ring (females: right tarsus; males: left tarsus).

note 1 : used letters are : H, J, K, L, P, S, T, V and X. Used numbers are : 0 - 9.

note 2 : breeding adults ringed since 2015.

note 3 : birds ringed in Quintos de Mora (ZEPA Montes de Toledo -ES0000093-; Toledo) email sighting submit : anillamiento@ebd.csic.es

note 4 :

Combination of 3 c-rings OR  or 1 c-ring and 1 colored RFID ring.

note 1 :

White ring with a black two numeric code (on left tarsus) andmetal ring (on right tarsus).

note 1 : used numbers are : 0 - 9.

note 2 : birds ringed since 2022.

​note 3 : birds ringed in ZEPA Sierras de Mariola y Carrascal de la Font
Roja (Alicante).

note 4 :

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

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 2022.

​note 3 : birds ringed in ZEPA Sierras de Mariola y Carrascal de la Font
Roja (Alicante).

note 4 :