Edwin Giesbers / Long-eared owl (Asio otus) perched in a tree, Netherlands, December.

Philippe Clement / Long-eared owl (Asio otus / Strix otus) perched in tree in forest and heard prey below, Bavarian Forest National Park, Germany, May. Captive.

Paul Hobson / Long-eared owl (Asio otus) portrait, captive, England, UK, November.

Solvin Zankl / Long eared owl (Asio otus) in flight, taking off from oak tree snag. Niedersechsische Elbtalaue Biosphere Reserve, Elbe Valley, Lower Saxony, Germany

Solvin Zankl / Long eared owl (Asio otus) perched on oak tree snag at night. Niedersechsische Elbtalaue Biosphere Reserve, Elbe Valley, Lower Saxony, Germany

Solvin Zankl / Long eared owl (Asio otus) at night, perched on oak tree snag. Niedersechsische Elbtalaue Biosphere Reserve, Elbe Valley, Lower Saxony, Germany, August.

Ben Hall / Long-eared owl (Asio otus) perched in tree amongst autumn leaves, Czech Republic, October, Captive

Ben Hall / Long-eared owl (Asio otus) perched in tree amongst autumn leaves, Czech Republic, October. Captive

Ben Hall / Long-eared owl (Asio otus) roosting in tree, Hortobagy, Hugary, December.

Philippe Clement / Long-eared owl (Asio otus) perched in tree in forest, Bavarian Forest National Park, Germany, May. Captive.

David Kjaer / Long-eared owl (Asio Otus) flying. Captive, native to the Northern Hemisphere.

David Kjaer / Long-eared owl (Asio Otus) perched. Captive, native to the Northern Hemisphere.