A kinkajou, with pollen-dusted cheek, feeds on nectar from an Ochroma blossom in Panama.
A hippo feeds on land near dead tree island in Moremi preserve, outside of the Okavango Delta, Botswana.
Divers hold lights to illuminate sharks as they hunt for groupers hiding in the reef.
A remote camera captures a Sumatran tiger while hunting in Sumatra, Indonesia.
Fireflies in flight in the forest at Santa Clara Sanctuary in Mexico.
An adult male lion, nicknamed C-Boy, feasts on a zebra in Serengeti National Park, Tanzania.
A female grey fox explores the forest at night in Texas, USA.
A mountain hare in snow at night in Norway.
A remote camera captures a bull elk during migration in Wyoming, USA.
A remote camera captures a snow leopard in the falling snow in Hemis National Park, India.
As darkness falls on Guassa, geladas break into a run down a slope toward their sleeping cliffs in Ethiopia. They will spend the night perched on narrow rocky ledges, trying to stay safe from leopards, hyenas, and feral dogs.
A coconut crab, the world's largest terrestrial arthropod, with a leg span of three feet, in Aldabra, Seychelles Islands. Aldabra has one of the last healthy populations of coconut crabs in the western Indian Ocean. Elsewhere, the world’s largest terrestrial arthropod, with a leg span of three feet, has been eaten to extinction by humans.
An African lion, illuminated with a spotlight, wakes up in a tree in Queen Elizabeth National Park, Uganda.
Hollywood’s most reclusive star, cougar P22 was first seen in Griffith Park in Los Angeles, USA, almost two years ago. A radio collar tracks his moves, but residents see scant sign of him.
Ruppell's Griffon vultures and African whitebacked vultures fight over dead zebra in Serengeti National Park, Tanzania.
More vultures will likely join the banquet. They can strip a carcass clean in minutes.
A remote camera captures a prowling cougar on Everett's Ridge in Yellowstone National Park, Wyoming, USA.
A full moon rises above a female cassowary at Etty Bay, Australia.
A beaver at Schwabacher Landing in Grand Teton National Park, USA.
Three white-tailed deer flee in this earliest night-time flash photograph taken in Michigan, date unknown.
A leopard prowls through a thornbush in Chobe National Park, Botswana.
Yellow-footed gulls fly at night over the San Ignacio Lagoon in Mexico.
A lion pride on the prowl in the short grass plains in Serengeti National Park, Tanzania.
A camera trap near Yellowstone National Park catches a grizzly bear stealing whitebark pine nuts from a squirrel's cache. The nuts are an important food for the bears, a threatened species.
Lit by a camera-trap flash and the glow of urban Mumbai, a leopard prowls the edge of India's Sanjay Gandhi National Park.
An elephant matriarch sleeping among her family in Samburu National Reserve, Kenya.