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Adult captive northern saw-whet owl, Aegolius acadicus, Alaska Raptor Center in Sitka, Southeast Alaska, USA.
Tengmalm's Owl or Boreal Owl (Aegolius funereus), Bavarian Forest National Park, Bavaria, Germany, Europe
Boreal Owl or Tengmalm's Owl (Aegolius funereus), juvenile perched on a branch, Neunkirchen, Siegerland region, North Rhine-Westphalia, Germany, Europe
Boreal Owl or Tengmalm's Owl (Aegolius funereus), juvenile perched on a spruce, Neunkirchen, Siegerland region, North Rhine-Westphalia, Germany, Europe
Boreal Owl or Tengmalm's Owl (Aegolius funereus), looking out of nest cave
Boreal Owl or Tengmalm's Owl (Aegolius funereus), looking out of nest cave
Tengmalm's owl (Aegolius funereus), adult on tree in winter, attentive, Zdarske Vrchy, Bohemian-Moravian Highlands, Czech Republic, Europe
Tengmalm's Owl (Aegolius funereus), two young birds sitting on a larch branch, Siegerland, North Rhine-Westphalia, Germany, Europe
Tengmalm's Owl (Aegolius funereus), juvenile, with a preyed ground mouse (Microtus agrestis), sitting on a larch branch, Siegerland, North Rhine-Westphalia, Germany, Europe
Tengmalm's owl (Aegolius funereus), portrait, Finland, Europe
Boreal owl (Aegolius funereus) perched on a branch, Tyrol, Austria, Europe
Tengmalm's owl (Aegolius funereus), adult on tree in winter, attentive, Zdarske Vrchy, Bohemian-Moravian Highlands, Czech Republic, Europe
Tengmalm's Owl (Aegolius funereus), two young birds sitting on a larch branch, Siegerland, North Rhine-Westphalia, Germany, Europe
Boreal owl (Aegolius funereus) sitting in a tree, Bavaria, Germany, Europe
Tengmalm's Owl (Aegolius funereus)
Tengmalm's owl (Aegolius funereus), portrait, Finland, Europe
Tengmalm's Owl (Aegolius funereus)
Young Tengmalm's Owls or Boreal Owls (Aegolius funereus), Finland, Europe
Boreal owl (Aegolius funereus) sitting in a tree, Bavaria, Germany, Europe
Rough legged Buzzard Aegolius funereus
Boreal owl (Aegolius funereus) sitting in a tree, Bavaria, Germany, Europe
Young Tengmalm's Owl or Boreal Owl (Aegolius funereus), Finland, Europe
Tengmalm's owl (Aegolius funereus), adult, on tree, alert, Bohemian Forest, Czech Republic, Europe
A boreal owl, Aegolius funereus, perching on a tree branch. Bayerischer Wald National Park, Bavaria, Germany.
Tengmalm's Owl (Aegolius funereus) in a lodge dug in a beech tree by a black woodpecker, Massif des Bauges, France
Tengmalm's owl (Aegolius funereus) emerging from a cavity in a dead tree, Finland
Northern Saw-whet owl (Aegolius acadicus) on a branch after a snowfall. Mauricie region. Quebec. Canada