High Five! Two male polar bears playfully sparring, raising a spray of snowflakes, backlit in golden morning light.
Two polar bears in northern Canada appearing to be fighting, but actually playfully sparring together in the snow.
A male polar bear searching for food while walking on thin ice near open, unfrozen water in northern Canada. Climate change issues.
Near Churchill, Canada.
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.
Shows that ecotourism has habituated the park's wild chimpanzees to humans, as two chimps choose to cross a road in close proximity to tourists and park staff.
Chimpanzee walking like a human across a road.
Kibale National Park, Uganda.
Charge! A rare view of a silverback mountain gorilla charging at a younger male (offscreen).
Bwindi Impenetrable Forest, Uganda
Baby Mountain Gorilla being carried through the jungle on its mother's back.
Bwindi Impenetrable National Park, Uganda
Silverback Mountain Gorilla
Enjoying a lunch of vines in Bwindi Impenetrable National Park, Uganda.
Silverback Mountain Gorilla Chewing Leaves
Portrait of a Female Mountain Gorilla
Portrait of a silverback mountain gorilla.
Bwindi Impenetrable 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.
White tiger going for a swim. Singapore Zoo.
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 in a Tree
Painterly version of a male leopard in Botswana.