Thursday, 4 September 2014

New cr-rings in Polish BHG project

We start ringing black-headed gull (Chroicocephalus ridibundus) with brand new, yellow cr-ring. Darvic ring has always 4 digits and start with "T". There is also a web page adres on it http://ring.stornit.gda.pl (to Polish POLRING system).

New yellow cr-ring and old white.


2 comments:

Luka said...
This comment has been removed by the author.
Luka said...

I was really confused with this yellow today :)
http://4.bp.blogspot.com/-Wdi8-d58gw0/VJ7IpdihAyI/AAAAAAAARr0/WpNYc_FCQxA/s1600/20141227%2BLa%2Brid%2ByellowT639%2BJakusevec.jpg