Suzi Eszterhas / Saruni Lodge, Kalama Wildlife Conservancy, Kenya

Suzi Eszterhas / Bat-eared Fox (Otocyon megalotis) pups outside of den, Masai Mara, Kenya

Suzi Eszterhas / Bat-eared Fox (Otocyon megalotis) parent and pup, Masai Mara, Kenya

Suzi Eszterhas / Bat-eared Fox (Otocyon megalotis) parent with five day old pups at den entrance, Masai Mara National Reserve, Kenya

Suzi Eszterhas / Bat-eared Fox (Otocyon megalotis) portrait, Masai Mara National Reserve, Kenya

Suzi Eszterhas / Black-backed Jackal (Canis mesomelas) pup, four weeks old, peeking out of den, Masai Mara, Kenya

Suzi Eszterhas / Burchell's Zebra (Equus burchellii) stallions sparring, Masai Mara, Kenya

Suzi Eszterhas / Burchell's Zebra (Equus burchellii) portrait, Masai Mara, Kenya

Suzi Eszterhas / Blue Wildebeest (Connochaetes taurinus) mother and 1 to 3 days old calf running, Masai Mara, Kenya

Suzi Eszterhas / Blue Wildebeest (Connochaetes taurinus) bulls fighting, Masai Mara, Kenya

Suzi Eszterhas / African Lion (Panthera leo) male, Masai Mara, Kenya

Suzi Eszterhas / African Lion (Panthera leo) male walking across grassland, Masai Mara, Kenya

Suzi Eszterhas / Leopard (Panthera pardus) running, Masai Mara, Kenya

Suzi Eszterhas / African Elephant (Loxodonta africana) mother and less than 3 weeks old calf, Masai Mara, Kenya

Suzi Eszterhas / African Elephant (Loxodonta africana) walking across grassland, Masai Mara, Kenya

Suzi Eszterhas / African Elephant (Loxodonta africana) pair, Masai Mara, Kenya

Suzi Eszterhas / Adelie Penguin (Pygoscelis adeliae) standing on iceberg, Paulet Island, Antarctica

Suzi Eszterhas / Adelie Penguin (Pygoscelis adeliae) on edge of iceberg, Paulet Island, Antarctica

Suzi Eszterhas / Serval (Leptailurus serval) kitten, two and a half week old orphan, Masai Mara Reserve, Kenya

Suzi Eszterhas / Hot air balloon flying over wildebeest herd, Masai Mara Triangle, Kenya

Suzi Eszterhas / Cheetah (Acinonyx jubatus) chasing male Thomson's Gazelle (Eudorcas thomsonii), Masai Mara National Reserve, Kenya

Suzi Eszterhas / Adelie Penguin (Pygoscelis adeliae) group diving off iceberg, Paulet Island, Antarctica

Suzi Eszterhas / Adelie Penguin (Pygoscelis adeliae) group jumping off iceberg into icy water, Paulet Island, Antarctica

Suzi Eszterhas / Adelie Penguin (Pygoscelis adeliae) trio diving off iceberg, Paulet Island, Antarctica

Suzi Eszterhas / Adelie Penguin (Pygoscelis adeliae) on iceberg, Paulet Island, Antarctica

Suzi Eszterhas / Black-browed Albatross (Thalassarche melanophrys) flying, endangered, Steeple Jason, Falkland Islands

Suzi Eszterhas / African Lion (Panthera leo) mother growling at curious 4 month old cub playing with tortoise, vulnerable, Masai Mara National Reserve, Kenya, sequence 3 of 4

Suzi Eszterhas / African Lion (Panthera leo) curious four month old cub, playing with tortoise, vulnerable, Masai Mara National Reserve, Kenya, sequence 2 of 4

Suzi Eszterhas / African Lion (Panthera leo) mother and young cubs, approximately 8 weeks old, vulnerable, Masai Mara National Reserve, Kenya

Suzi Eszterhas / Black Bear (Ursus americanus) 7 week old cubs playing in den. One cub shows brown color phase while the other shows black color phase

Suzi Eszterhas / Black Bear (Ursus americanus) 7 week old cub in den

Suzi Eszterhas / Cheetah (Acinonyx jubatus) 7 to 9 month old cubs playing, Masai Mara National Reserve, Kenya

Suzi Eszterhas / Bald Eagle (Haliaeetus leucocephalus) flying, Amaknak Island, Alaska

Suzi Eszterhas / Polar Bear (Ursus maritimus) lone yearling on shore, Churchill, Manitoba, Canada

Suzi Eszterhas / Harbor Seal (Phoca vitulina) pup in shallows, Elkhorn Slough, California

Suzi Eszterhas / Cheetah (Acinonyx jubatus) ten to twelve week old cub portrait, Maasai Mara Reserve, Kenya

Suzi Eszterhas / Cheetah (Acinonyx jubatus) cub portrait, Maasai Mara Reserve, Kenya

Suzi Eszterhas / Cheetah (Acinonyx jubatus) mother and seven day old cub, Maasai Mara Reserve, Kenya

Suzi Eszterhas / Cheetah (Acinonyx jubatus) mother grooming six day old cub, Maasai Mara Reserve, Kenya

Suzi Eszterhas / Cheetah (Acinonyx jubatus) mother and eight to nine week old cubs, Maasai Mara Reserve, Kenya

Suzi Eszterhas / Cheetah (Acinonyx jubatus) mother and eight week old cubs, Maasai Mara Reserve, Kenya

Suzi Eszterhas / Spotted Hyena (Crocuta crocuta) adult female yawning at den, Masai Mara National Reserve, Kenya

Suzi Eszterhas / Polar Bear (Ursus maritimus) three to four month old cub peeking over mother's body while she is tranquilized by researchers, vulnerable, Wapusk National Park, Manitoba, Canada

Suzi Eszterhas / African Lion (Panthera leo) seven to eight week old cub approaching adult male, vulnerable, Masai Mara National Reserve, Kenya

Suzi Eszterhas / African Lion (Panthera leo) seven to eight week old cub playing with adult male, vulnerable, Masai Mara National Reserve, Kenya

Suzi Eszterhas / African Lion (Panthera leo) seven to eight week old cub playing with adult male, vulnerable, Masai Mara National Reserve, Kenya

Suzi Eszterhas / African Lion (Panthera leo) seven to eight week old cub approaches adult male, vulnerable, Masai Mara National Reserve, Kenya

Suzi Eszterhas / African Lion (Panthera leo) seven to eight week old cub playing with its mother's tail, vulnerable, Masai Mara National Reserve, Kenya