Boreal Owl - Aegolius funereus richardsoni
Also known as Tengmalm's Owl
Also see the nominate description for this species.
Original Description: Bonaparte. 1838. A Geographical and Comparative List of the Birds of Europe and North America, p. 7.
Page compiled by Deane Lewis. Page last updated 2006-12-28
OwlPages.com Owl Species ID: 230.010.050