en 
Nederlands
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 | 104, of which 55 are captures |
| ringed in | 2014 to 2017 |
Example bird
|
ZT
|
Shorthand: B-ZT
explanation
This is an arbitrary example of a bird that might not exist.
Data entry
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