Eurasian Hobby

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

note 1 :

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

note 1 :

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

note 1 : birds ringed in Derbyshire, UK.

note 2 :

Dark-green ring with a white two numeric code (on left leg) and BTO metal (on right leg).

note 1 : birds ringed in Cheshire, Denbighshire, Flintshire and Greater Manchester.

note 2 :

Dark-blue ring with a white three alpha code.

note 1 :

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

note 1 : used code : A+letter, B+letter, etc., (AA-DZ),
note 2 : used letters : A, B, C, D, F, H, I or J.

note 2 : birds ringed in Gloucestershire, Herefordshire, North Wiltshire & West Oxfordshire, UK.

note 3 :

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

note 1 : birds ringed since 2009.

note 2 :  take care : during 2009-2010, 29 birds were ringed with an overlapping code from the UK : (AA-CZ). However, those rings were applied to the right tarsus!

note 3 : codes starting with A, C, E, H, J, K, L, N, P, S, T, V, X, Y, Z (Starting with E, all subsequent codes were applied to the left tarsus)

note 4 : 

White ring with a three alpha-numeric code, starting letter "C" followed by two numbers (on left tarsus) and metal ring (on right tarsus).

note 1 :

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

note 1 : used code : A+letter, B+letter, etc., (AA-DZ).

note 2 : birds ringed in Dorset, Hampshire and Devon, UK.

note 3 :

Orange ring with a two numeric code (on one leg) and metal ring (on the other leg).

note 1 :