WI - Cormorant Research Group Colour-ringing updated on 27-03-2024

Great Cormorant Phalacrocorax carbo
Colour-Ringing Projects In Europe

This report is mainly based on the detailed guide on Cormorant colour-ringing projects in Europe compiled by Robin M. Sellers (1992, 1994). Data have been updated from several sources, but basicly using information from the former Great cormorant section of the European colour-ring birding © site created by Dirk Raes. Updated were communcate by the colour-ring project coodinators at the Wetlands International Cormorant Research Group or received by the Webmaster.

Click on the thumbnails to enlarge the photographs. See also some more pictures taken in the field.

Ring styles used for Great Cormorants in Europe
The following examples were inspirated by the figures depicted by Sellers (1992, 1994).


     

Ps
Small plain ring
without inscription

Pl
Large plain ring
without inscription

Ps / Ps
Two small plain rings
without inscription
on the same leg

Ps / Ps / Ps
Three small plain rings
without inscription
on the same leg

M / Ps
Small plain ring
without inscription
above metal ring

 

       

1 / 1
Two rings of different colour
each bearing a single
character (vertical) inscription

1 h
Single horizontal
inscription

1 b
Single central
bar inscription
without any
number/letter

3
Three character
inscription

4
Four character
inscription

 

       

2
Two character inscription

2 lb
Two character inscription
with lower band

2 cb
Two character inscription
with central band

2 ub
Two character inscription
with upper band

2 dcb
Two character inscription with
double central bands

2 ob
Two character inscription with
a horizontal central line between them