Wednesday, 24 December 2014
Friday, 19 September 2014
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.
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: kolring.team@gmail.com
All interested in purchase please contact us: kolring.team@gmail.com
Friday, 21 February 2014
Why colour ringing ?
Simple question, and even simpler answer :)
fot. Marcin Sowa: Black-headed Gull (Chroicocephalus ridibundus) 2cy
fot. RafaĆ Sz. Distance from ringing place: 107 km (in 2 days)
fot. Marcin Sowa: Black-headed Gull (Chroicocephalus ridibundus) 2cy
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