Michael Pitts / Gentoo penguins (Pygoscelis papua) calling and defending their eggs from Southern Skua (Stercorarius antarcticus) hunting for unattended eggs or chicks, Sea Lion island, The Falklands, South Atlantic.
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Ole Jorgen Liodden / Brown Skua (Stercorarius antarcticus) bathing, Auckland Islands. New Zealand. November.
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Ole Jorgen Liodden / Brown Skua (Stercorarius antarcticus) bathing, Auckland Islands. New Zealand. November.
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Andy Rouse / Lonnberg's / Subantarctic Skua (Stercoraius antarcticus lonnbergi) displaying aggressive behaviour, South Shetland Islands, Antarctica. (Non-ex)
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David Tipling / Falkland / Brown skua (Stercorarius antarcticus) in flight carrying a stolen Gentoo penguin egg (Pygoscelis papua) Sea Lion Island, Falklands
Jessie Lane / Antarctic skua {Stercorarius antarcticus} South Georgia (Godthul harbour in background)
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Ashley Cooper / Brown skua (Stercorarius antarcticus) on the beach on Prion Island, South Georgia, Southern Ocean.
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Tony Heald / Brown skua (Stercorarius antarcticus) resting on tussock grass. Right Whale Bay, South Georgia. September.
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Tony Heald / Brown skua (Stercorarius antarcticus), two fighting over carrion whilst standing in sea. South Georgia. September.
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Tui De Roy / Northern Rockhopper Penguin (Eudyptes moseleyi) with Brown skua (Stercorarius antarcticus) Gough and Inaccessible Islands UNESCO World Heritage Site, South Atlantic.
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Frederique Olivier / Brown skua (Stercorarius antarcticus) perched above an Eastern rockhopper penguin (Eudyptes chrysocome filholi) nesting colony, Macquarie Island, Australian Antarctica.