European Reed Warbler

Combination of 4 c-rings : 
* 3 c-rings (on left leg)
- c-ring above metal ring (on right leg).

note 1 :

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

note 1 : used letters and numbers are : A, B, C, D, F, G, H, J, K, L, M, P, S, T, V, X, Z and 0, 1, 2, 3, 4, 5, 6, 7, 9

note 2 :

Combination of :
* 1 c-ring (a specific colour for each sex).
* metal ring.

note 1 : the aim is to identify male and female reed warblers in the field for a response to parasitism experiment.

note 2 : from 2019 onwards:
- adult females: single white uncoded ring on left tarsus, metal ring on right tarsus.
- adult males: single orange uncoded ring on left tarsus, metal ring on right tarsus.

note 3 :

One c-ring (on one leg) and metal ring (on other leg).

note 1 :  used colours are : red (2018), blue (2019), yellow, (2020), ...

note 2 : c-ring mostly on left tarsus, anyway opposite metal ring.

note 3 : birds equiped with a geolocator.

note 4 : 

If a bird with a red colour ring is trapped in 2018 do NOT remove the geolocator.
If a bird with a red colour ring is trapped in 2019 or later in Europe, please remove the geolocator and contact us to arrange recovery of the device: ring@vrsdehaar.nl

If a bird with a blue colour ring is trapped in 2019 do NOT remove the geolocator.
If a bird with a blue colour ring is trapped in 2020 or later in Europe, please remove the geolocator and contact us to arrange recovery of the device: ring@vrsdehaar.nl

If a bird with a yellow colour ring is trapped in 2020 do NOT remove the geolocator.
If a bird with a yellow colour ring is trapped in 2021 or later in Europe, please remove the geolocator and contact us to arrange recovery of the device: ring@vrsdehaar.nl

note 5 : 

White ring with a black two alpha-numeric code.

note 1 : birds ringed in the UK, county Norfolk.

note 2 : 

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

note 1 : birds ringed in the UK, county Cambridgeshire.

note 2 :

Combination of 3 c-rings and metal ring. 

note 1 : combination of 3 c-rings (on left leg) and metal (on right leg).

note 2 : from 2021 : one colour ring above metal (on left leg) and 2 colour rings (on right leg).

note 3 : birds ringed in the UK, county Warwickshire.

Yellow ring with a black two alpha-numeric code.

note 1 : birds ringed in the UK, county Norfolk.

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

note 1 : birds ringed in the UK, county Cheshire.

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

note 1 : used colours are : 14 plain colours and black/white, black/red, black/yellow, black/orange.

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