Wednesday, 24 December 2014

Merry Christmas and Happy New Year 2015

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.

Monday, 31 March 2014

Gull trap - spring edition

We continue to catch gulls on the gull trap with good results.

All interested in purchase please contact us:

Friday, 21 February 2014

Why colour ringing ?

Simple question, and even simpler answer :)

fot. Marcin Sowa: Black-headed Gull (Chroicocephalus ridibundus) 2cy

 fot. RafaƂ Sz. Distance from ringing place: 107 km (in 2 days)