Warblers

species: 
Marsh warbler
scientific name: 
Acrocephalus palustris
notes: 

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

email sighting submit: 
colour-ring type: 
Legring : one, uncoded.
countries where ringed: 
The Netherlands.