Gniazdowanie gawrona Corvus frugilegus w powiecie łukowskim w roku 2014
Journal Title: KULON - Year 2014, Vol 19, Issue
Abstract
In 2014, a total of 3063 active rook Corvus frugilegus nests were recorded in the occupied colonies on an area of 1394 km2 of the Łukowski county. Rooks nested at 13 sites comprising from 1 to 614 nests, with an average density of 219.7 nests/100 km2. The largest colony, located in the town of Łuków, the number of nests declined by 21%, from 770 nests in 2008 to 609 in 2014, that is, by 3.5% per year, on the average.
Authors and Affiliations
Andrzej Dombrowski, Magdalena Sikora
Keywords
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