Common Tern

red or white ring with 3 digits (first=3)

Details

coordinator
Tijs van den Berg send e-mail
website http://www.vrsdehaar.nl/
cr-birding https://cr-birding.org/node/5484
ring area The Netherlands, near Utrecht
animals 13
observations 23, of which 13 are captures
ringed in 2020

Example bird

31.2
Shorthand: W-31.2 explanation
This is an arbitrary example of a bird that might not exist.

Data entry