Marion Vollborn/ BIA / Leopard (Panthera pardus) cub, Okavango Delta, Botswana

Marion Vollborn/ BIA / Polar Bear (Ursus maritimus) on ice, Svalbard, Norway

Marion Vollborn/ BIA / Polar Bear (Ursus maritimus) waiting at breathing hole for seals, Svalbard, Norway

Marion Vollborn/ BIA / Polar Bear (Ursus maritimus), Svalbard, Norway

Marion Vollborn/ BIA / Polar Bear (Ursus maritimus), Svalbard, Norway

Marion Vollborn/ BIA / Leopard (Panthera pardus) male stalking, Sabi-sands Game Reserve, South Africa

Marion Vollborn/ BIA / Cheetah (Acinonyx jubatus) cub, Castile-La Mancha, Spain

Marion Vollborn/ BIA / Whooper Swan (Cygnus cygnus) group taking flight on snow, Hokkaido, Japan

Marion Vollborn/ BIA / African Lion (Panthera leo) cubs drinking at waterhole, Okavango Delta, Botswana

Marion Vollborn/ BIA / Bald Eagle (Haliaeetus leucocephalus) flying, Alaska

Marion Vollborn/ BIA / Cheetah (Acinonyx jubatus) cub, native to Africa

Marion Vollborn/ BIA / Tiger (Panthera tigris) female with cubs, native to Asia

Marion Vollborn/ BIA / Tiger (Panthera tigris) female with cubs, native to Asia

Marion Vollborn/ BIA / Whooper Swan (Cygnus cygnus) taking flight on snow, Hokkaido, Japan

Marion Vollborn/ BIA / Whooper Swan (Cygnus cygnus) flying, Hokkaido, Japan

Marion Vollborn/ BIA / Steller's Sea Eagle (Haliaeetus pelagicus) flying, Hokkaido, Japan

Marion Vollborn/ BIA / Red-crowned Crane (Grus japonensis) displaying in winter, Hokkaido, Japan

Marion Vollborn/ BIA / Grizzly Bear (Ursus arctos horribilis) cub wading, British Columbia, Canada

Marion Vollborn/ BIA / Grizzly Bear (Ursus arctos horribilis), British Columbia, Canada

Marion Vollborn/ BIA / Caracal (Caracal caracal) cubs, Castile-La Mancha, Spain

Marion Vollborn/ BIA / Caracal (Caracal caracal) cub, Castile-La Mancha, Spain

Marion Vollborn/ BIA / Caracal (Caracal caracal) cub, Castile-La Mancha, Spain

Marion Vollborn/ BIA / Cheetah (Acinonyx jubatus) on dunes, Castile-La Mancha, Spain

Marion Vollborn/ BIA / Cheetah (Acinonyx jubatus), Castile-La Mancha, Spain

Marion Vollborn/ BIA / Snowy Owl (Nyctea scandiaca) hunting in winter, Quebec, Canada

Marion Vollborn/ BIA / Grizzly Bear (Ursus arctos horribilis) mother and cub scratching themselves on tree, British Columbia, Canada

Marion Vollborn/ BIA / Grizzly Bear (Ursus arctos horribilis) mother and cub scratching themselves on tree, British Columbia, Canada

Marion Vollborn/ BIA / Grizzly Bear (Ursus arctos horribilis) pair fighting, British Columbia, Canada

Marion Vollborn/ BIA / African Lion (Panthera leo) cubs playing, Okavango Delta, Botswana

Marion Vollborn/ BIA / African Lion (Panthera leo) cub playing with mother, Okavango Delta, Botswana

Marion Vollborn/ BIA / Bald Eagle (Haliaeetus leucocephalus) group in trees, Alaska

Marion Vollborn/ BIA / African Lion (Panthera leo) mother with cub, Okavango Delta, Botswana

Marion Vollborn/ BIA / Leopard (Panthera pardus) mother with cub, Sabi-sands Game Reserve, South Africa

Marion Vollborn/ BIA / Tiger (Panthera tigris) cub in water, native to Asia

Marion Vollborn/ BIA / Tiger (Panthera tigris) cub, native to Asia

Marion Vollborn/ BIA / Tiger (Panthera tigris) cub, native to Asia

Marion Vollborn/ BIA / Cheetah (Acinonyx jubatus) mother and almost fully grown cubs near waterhole, Philippolis, South Africa

Marion Vollborn/ BIA / Cheetah (Acinonyx jubatus) running, native to Africa

Marion Vollborn/ BIA / Cheetah (Acinonyx jubatus) females, native to Africa

Marion Vollborn/ BIA / Caracal (Caracal caracal) cub in flowering meadow, native to Africa and Asia

Marion Vollborn/ BIA / Caracal (Caracal caracal) cubs catching a Common Starling (Sturnus vulgaris), native to Africa and Asia

Marion Vollborn/ BIA / Caracal (Caracal caracal) cubs playing, native to Africa and Asia

Marion Vollborn/ BIA / Caracal (Caracal caracal) cub jumping, native to Africa and Asia

Marion Vollborn/ BIA / Caracal (Caracal caracal) cub, native to Africa and Asia

Marion Vollborn/ BIA / Caracal (Caracal caracal) cub, native to Africa and Asia

Marion Vollborn/ BIA / Caracal (Caracal caracal) cub running, native to Africa and Asia

Marion Vollborn/ BIA / African Lion (Panthera leo) male at night, Sabi Sands Game Reserve, South Africa

Marion Vollborn/ BIA / Leopard (Panthera pardus) at night, Sabi Sands Game Reserve, South Africa