A team of sled dogs running on a snowy trail with Northern Lights in the background sky.
A rare golden monkey in Rwanda
A chimpanzee strikes a contemplative pose in Kibale National Forest, Uganda. This photo won the Grand Prize in the 2016 Natural Habitat Adventures Wildlife Photo Competition.
In the Light
A chimpanzee relaxing in a shaft of morning light, Kibale National Forest, Uganda.
A Tender Moment
A mother and infant mountain gorilla, Bwindi Impenetrable National Park, Uganda.
Son of the Silverback
Juvenile mountain gorilla swings from vines in front of his silverback father. Volcanoes National Park, Rwanda.
A chimpanzee sitting at the base of a banyan tree in Uganda.
Portrait of a Leopard
Fine art photography of a male leopard in Botswana.
Leopard on Alert
Male leopard on alert for a challenger on his territory. The challenger was very close.
Leopard on the Move
Lone female leopard stalking prey in Botswana.
Leopard enjoying a nap on a tree branch in Botswana.
Close-up side view of a large male tiger's mouth, with sharp fangs/incisors.
Male tiger walking head-on toward the camera in natural environment.
Adult male tiger with tongue sticking out, well camouflaged by surroundings.
Actually, they've just finished!
White tiger going for a swim.
A well-camouflaged tigress on the prowl.
Portrait of a Tiger
Bengal tiger portrait.
Polar Bear Morning
Polar bears sparring.
Against the Wind
A mother polar bear and her twin cubs walk through a strong blizzard in Churchill, Canada.
Some affectionate sibling play. Churchill, Canada.
I Want to Eat You!
A very large male polar bear looks up at me in Churchill, Canada.
Male Polar Bear Walking Through the Snow
In Churchill, Manitoba
Sea of Penguins
A huge colony of adult and juvenile king penguins on a beach in St. Andrew's Bay, South Georgia Island.
Actually this is an optical illusion. There is a third king penguin standing right behind the one on the right and its bill is visible, making it look like the front penguin is talking.
King Penguins Standing against Mountains on South Georgia Island, South Atlantic Ocean
Penguins on a Cloud of Snow
A group of Adelie penguins on an iceberg in Antarctica.