Auks

species: 
Guillemot
scientific name: 
Uria aalge
EURING code: 
06340
notes: 

c-ring with one letter and two numbers.

note 1 : used colours are :
2000 : yellow ring with one black letter and two numbers (total number of 500).
2001 : red ring with one black letter and two numbers (total number of 1000).
2002 : blue ring with one white letter and two numbers (total number of 1000).
2003 : green ring with one black letter and two numbers (total number of 1500).
2004 : orange ring with one white letter and two numbers (total number of 2000).
2005 : black  ring with one yellow or white letter and two numbers (total number of 2000).
2006 : white ring with one red letter and two numbers (total number of 2000).
2007 : light-blue ring with one black letter and two numbers (total number of 2000).
2008: burgundy plastic rings with one white letter and two numbers (total number of 1800) + red Aluminium rings with numbers 001-200 (total number of 200).

note 2 : a project where adult birds have been ringed in 1997 at Stora Karlsö in the Baltic Sea (57°17'N,17°58'E) to study the adult survival rate as well as breeding success, feeding and mating behaviour.

note 3 : fledglings have been ringed from year 2000 onwards to study survival, dispersion and age at first breeding. Triangular steel rings have been complemented with colour rings (on the other foot).

note 4 :

email sighting submit: 
email sighting submit (2): 
snailmail sighting submit: 
wedish Museum of Natural History Bird Ringing Centre Box 50 007 104 05 Stockholm, Sweden.
colour-ring type: 
Legring : one, coded.
colour-ring code: 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
Sweden.