Baltick Gull and Herring Gull articles
Posted: Mon Mar 08, 2010 8:08 pm
Plumage development and ageing of Baltic Gull Larus fuscus fuscus & Timing of primary moult in large gull taxa at five locations in Europe.
http://www.caluta.liitin.net/Caluta/caluta1.html
Jan
http://www.caluta.liitin.net/Caluta/caluta1.html
Jan