Common Tern

blue ring with 2 letters (first=K V or Z)

Details

coordinator
Derick Hiemstra
website none
cr-birding https://cr-birding.org/node/3792
ring area (NL) Delfzijl, Oterdum. in the first years of new colony these blue 2 digits were used on Oterdum to distinguish future prospectors. Some rings have also been used in Leeuwarden, roof colony
animals 37
observations 126, of which 72 are captures
ringed in 2014 to 2017
no project description

Example bird

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

Data entry