Martha Holmes / Group of Hippopotamuses in river (Hippopotamus amphibius) Luangwa River, Zambia, Africa.

Martha Holmes / Pod of Killer whales {Orcinus orca} with snowy mountains behind, Tysfiord, Norway

Martha Holmes / Female polar bear with cub on ice floe (Ursus maritimus) North West Territories, Canada

Martha Holmes / Cape buffalo herd (Synceros caffer caffer) S. Luangwa National Park, Zambia

Martha Holmes / Hippopotamus yawning, mouth open (Hippopotamus amphibius) Luangwa River, Zambia

Martha Holmes / Emperor penguin flying out of water {Aptenodytes forsteri} Cape Washington, Antarctica

Martha Holmes / Cape buffalo {Syncerus caffer caffer} large herd drinking in Luangwa river, Zambia.

Martha Holmes / Killer whale pod, Tvsfiord, Norway, Europe.

Martha Holmes / Male Killer whale {Orcinus orca} at surface, Tysfjord mountains, sunset, Autumn, Norway

Tui De Roy / Emperor Penguin (Aptenodytes forsteri) large chick on fast ice, midnight sun in austral spring, No-name Rookery, Princess Martha Coast, Weddell Sea, Antarctica

Tui De Roy / Emperor Penguin (Aptenodytes forsteri) pair with chick, Atka Bay, Princess Martha Coast, Weddell Sea, Antarctica

Tui De Roy / Emperor Penguin (Aptenodytes forsteri) group, near Ekstrom Ice Shelf, Weddell Sea, Antarctica