Black-headed Gull

white ring with 3 characters (first=L)

Details

coordinator
Frank Majoor
website http://frankmajoor.nl/indexkokmeeuw1-uk.shtml
cr-birding https://cr-birding.org/node/865
ring area The Netherlands, several cities
animals 369
observations 11711, of which 746 are captures
ringed in 1998 to 2013

In several Dutch cities Black-headed Gulls that already had a foreign ring got an additional white colourring. All rings have an inscription with three letters of which the first one is an L.

Example bird

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

Data entry