Roger Powell / Buzzard (Buteo buteo) mantling carcass to prevent a Carrion Crow (Corvus corone) from feeding on it Dransfeld, Hannover, Germany, January

Sergey Gorshkov / Steller's sea eagle (Haliaeetus pelagicus) mantling fish prey beside Lake Kuril, Kamchatka, Far East Russia, January

Sergey Gorshkov / Steller's sea eagle (Haliaeetus pelagicus) mantling fish prey beside Lake Kuril, watched by other sea eagles, Kamchatka, Far East Russia, January

Sergey Gorshkov / Steller's sea eagle (Haliaeetus pelagicus) feeding on fish prey, mantling, Lake Kuril, Kamchatka, Far East Russia, January

Fraser Gunn / Swamp Harrier (Circus approximans) calling during threat display, New Zealand

Pete Oxford / Antarctic Giant Petrel (Macronectes giganteus) feeding on Southern Elephant Seal (Mirounga leonina) bull carcass and mantling to prevent competition, Sea Lion Island, Falkland Islands

Pete Oxford / Antarctic Giant Petrel (Macronectes giganteus) feeding on Southern Elephant Seal (Mirounga leonina) bull carcass and mantling to prevent competition, Sea Lion Island, Falkland Islands

Paul Hobson / Goshawk (Accipiter gentilis) mantling on pheasant, Peak District, England, UK. December, Captive.

Paul Hobson / Northern goshawk {Accipiter gentilis} juvenile male mantling on snow, Derbyshire, England, UK

Wild Wonders of Europe / Zacek / Female Great grey owl (Strix nebulosa) on ground with wings spread, Oulu, Finland, February 2009

Guy Edwardes / Common Buzzard {Buteo buteo} perched, mantling, captive, UK

Igor Shpilenok / Steller's sea eagle {Haliaeetus pelagicus} feeding on and defending Sockeye salmon prey, Kuril Lake, Kamchatka, Far East Russia