Mixed colonies of large white-headed gulls in southern Poland
01 November 2001
Main paper
In the early part of 1999, we discovered a small colony of large white-headed gulls Larus at a gravel-pit near Jankowice, on the banks of the Vistula river in southern Poland, about 50 km from Krakow. On 28th February, we observed six pairs of gulls th...
Read More