Friday, 19 September 2014

Nice recovery of greenfinch (Chloris chloris)

European greenfinch (Chloris chloris), colour ringed on 2012 was controlled in Finland.

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 (to Polish POLRING system).

New yellow cr-ring and old white.