Black-headed Gull

white ring with 4 characters (first=E)

Details

coordinator
Frank Majoor
website http://frankmajoor.nl/indexkokmeeuw1-uk.shtml
cr-birding https://cr-birding.org/node/187
ring area The Netherlands
animals 7057
observations 131511, of which 8064 are captures
ringed in 1997 to 2020

Throughout the Netherlands, thousands of Black-headed Gulls ringed with white four-character-rings with the letter E as first character. These rings are used for nestlings as well as breeding and wintering birds. These rings have four characters of which at least one is a digit. The letters B, D, G, I, O and Q are not used.

Example bird

E6TE
Shorthand: W-E6TE explanation
This is an arbitrary example of a bird that might not exist.

Data entry