Ann & Steve Toon / Spotted eagle owl (Bubo africanus) subadult at nigh by water, Zimanga private game reserve, KwaZulu-Natal, South Africa, September

Juergen & Christine Sohns / Eurasian Eagle-Owl (Bubo bubo) in forest in winter, Zdarske Vrchy, Bohemian-Moravian Highlands, Czech Republic

Neil Aldridge / Portrait of an adult Spotted eagle owl (Bubo africanus) Table Mountain National Park, South Africa.

Ben Hall / Eagle owl (Bubo bubo) in flight through forest, backlit at dawn, Czech Republic, November. Captive.

Ben Hall / Eurasian eagle owl (Bubo bubo) flying low over snow covered grouns with trees in background, Czech Republic, February. Captive.

Ole Jorgen Liodden / Eurasian eagle-owl (Bubo bubo) in flight, Norway, July.

Markus Varesvuo / Pharaoh eagle owl (Bubo ascalaphus) on sand, Morocco, March.

Markus Varesvuo / Blakiston's Fish Owl (Ketupa blakistoni) perched, Hokkaido, Japan, February.

Markus Varesvuo / Eagle Owl (Bubo bubo) looking down, Finland

Ben Hall / Eurasian Eagle owl (Bubo bubo) in flight through dense forest, Czech Republic, January

Michel Poinsignon / Eagle owl (Bubo bubo) adult perched on branch close to cliff, Luxembourg, February

Luis Quinta / Eagle owl (Bubo bubo) chick, close-up of face, Alentejo, Portugal