Boreal Owls / Tengmalm's Owls
Boreal or Tengmalm's Owls - descriptions, photos and sounds.
Saw-whet Owl
General information on Aegolius acadicus from the Lincoln Park Zoo.
The Boreal Owl: A Superb Hunter
An article by Tomas Johansson about the Boreal Owl.
The Raptor Center: Boreal Owl
http://www.ahc.umn.edu/ahc_content/colleges/vetmed/Depts_and_Centers/Raptor_Center/index2.cfm/nav/97
Facts about the identifying traits, range, habitat, nesting, and diet of Aegolius funereus.