Population density and dispersion of the Eagle Owl Bubo bubo in the Province of Trento (central-eastern Alps, Italy)

Marchesi L., Pedrini P. & Galeotti P.


An Eagle owl population was studied from 1994 to 1997 in a 672 km2 study area in the Province of Trento (central-eastern Alps, Italy). The censuses population consisted of 11-12 pairs and a solitary male. 95% of the territories was occupied during each of the years of the study period. Mean density was 1.83 territories/100 km2. Mean nearest neighbour distance was 3.8 km. Territories were regularly dispersed within the study area, as indicated by the high value of the G statistic.