Open AccessDensity, numbers and origin of Northern Hawk Owls <i>Surnia ulula</i> in southern Norway during the 2016 irruption
Author(s) -
Svein Dale
Publication year - 2017
Publication title -
ornis norvegica
Language(s) - English
Resource type - Journals
ISSN - 1892-9737
DOI - 10.15845/on.v40i0.1079
Subject(s) - boreal , geography , taiga , habitat , ecology , occupancy , physical geography , forestry , archaeology , biology