Red-tailed Hawk, Utah

Walking in a Winter Wonderland

Grizzly 399 and her four cubs, Grand Teton National Park, Wyoming

Coastal Brown Bear,  Brooks River, Katmai National Park, Alaska

Emerging From the Forest

Coastal Brown Bear, Brooks River, Katmai National Park, Alaska

Leopard's Lounge

Leopard, Serengeti National Park, Tanzania

Grizzly Bear 399 and her cubs, Grand Teton National Park

Cruisin' with Mom

Grizzly Bear 399 and her cubs, Grand Teton National Park, Wyoming

Moose and the Tetons, Grand Teton National Park

Handsome Fellow

Moose and the Tetons, Grand Teton National Park, Wyoming

Coyote, Grand Teton National Park, Wyoming

Coyote Gaze

Coyote, Grand Teton National Park, Wyoming

Bison, Yellowstone National Park

Trudging Through the Snow

Bison, Yellowstone National Park, Wyoming

Coastal Brown Bear grabs a salmon, Brooks Falls, Katmai National Park, Alaska

Gotcha

Coastal Brown Bear grabs a salmon, Brooks Falls, Katmai National Park, Alaska

Bighorn sheep, Elk Refuge, Grand Teton National Park

Portrait of a Ram

Bighorn sheep, Elk Refuge, Grand Teton National Park, Wyoming

River Otters, Grand Teton National Park

Caught a Big One

River Otters, Grand Teton National Park, Wyoming

Coyote, Yellowstone National Park

A Winter Snack

Coyote, Yellowstone National Park, Wyoming

Red Fox, Jackson Hole, Wyoming

Foxy Lady

Red Fox, Jackson Hole, Wyoming

Baby Big Horn Sheep, Elk Refuge, Grand Teton National Park

Little Lamb’s First Winter

Baby Big Horn Sheep, Elk Refuge, Grand Teton National Park, Wyoming

Three male lions at sunrise, Serengeti National Park, Tanzania

Running Free

Zebras and Wildebeests, Tanzania

Long Exposure at Brooks Falls

Coastal Brown Bear, Brooks Falls, Katmai National Park, Alaska

Grizzly Bears, Bridger-Teton National Forest, Wyoming

Felicia and Her Cubs

Grizzly Bears, Bridger-Teton National Forest, Wyoming

A female moose snacking, Jackson Hole, Wyoming

Munching

A female moose snacking, Jackson Hole, Wyoming

Grizzly 399 and her four cubs, Grand Teton National Park

A Spring Stroll

Grizzly 399 and her four cubs, Grand Teton National Park, Wyoming

Black Wolf from Wapiti Pack, Yellowstone National Park

Early Morning Wolf Encounter

Black Wolf from Wapiti Pack, Yellowstone National Park, Wyoming

Queen's Gaze

Lioness at sunrise, Ngorongoro Conservation Area, Tanzania

Three male lions at sunrise, Serengeti National Park, Tanzania

The Three Kings

Three male lions at sunrise, Serengeti National Park, Tanzania

Cheetah, Ngorongoro Crater, Tanzania

Staring Contest

Cheetah, Ngorongoro Crater, Tanzania

Coastal Brown Bear, Naknek Lake, Katmai National Park, Alaska

Solitude at Sunrise

Coastal Brown Bear, Naknek Lake, Katmai National Park, Alaska

Young Moose, Jackson Hole, Wyoming

Sweet Baby Face

Young Moose, Jackson Hole, Wyoming

A Coastal Brown Bear catches a salmon, Brooks Falls, Katmai National Park, Alaska

Great Catch

A Coastal Brown Bear catches a salmon, Brooks Falls, Katmai National Park, Alaska

Red Fox, Grand Teton National Park, Wyoming

Curious Young One

Baby Red Fox, Maryland

A Coastal Brown Bear cub reaches affectionately for his mother, Katmai National Park, Alaska

A Tender Moment

A Coastal Brown Bear cub reaches affectionately for his mother, Katmai National Park, Alaska

A Moose and Her Newborn, Grand Teton National Park

The Newborn

A Moose and Her Newborn, Grand Teton National Park, Wyoming 

Family Outing

Two sister lionesses with their cubs, Serengeti National Park, Tanzania

Coastal Brown Bear, Naknek Lake, Katmai National Park

Sunrise Silhouette

Coastal Brown Bear, Naknek Lake, Katmai National Park, Alaska

Coastal Brown Bear with a Salmon, Brooks River, Katmai National Park, Alaska

Sushi for Lunch

Coastal Brown Bear with a Salmon, Brooks River, Katmai National Park, Alaska

Wild Eyes

Cheetah in the Grass at Sunrise, Ngorongoro Conservation Area, Tanzania

Coastal Brown Bear Katmai National Park, Alaska

Keeping Cool

Coastal Brown Bear Katmai National Park, Alaska

Leopard, Tanzania

Regal Beauty

Leopard, Tanzania

Red Fox, Grand Teton National Park, Wyoming

Through the Wildflowers

Red Fox, Grand Teton National Park, Wyoming

Coastal Brown Bears, Naknek Lake, Katmai National Park, Alaska

Morning Light

Coastal Brown Bears, Naknek Lake, Katmai National Park, Alaska

Mule Deer, Grand Teton National Park, Wyoming

Moving Through the Snowy Tetons

Mule Deer, Grand Teton National Park, Wyoming

Elephants, Serengeti, Tanzania

Family Bonding

Elephants, Serengeti, Tanzania

Grizzly Cub, Bridget-Teton National Forest, Wyoming

Felicia’s Cub

Grizzly Cub, Bridget-Teton National Forest, Wyoming

Lion Cubs, Serengeti National Park, Tanzania

Sunrise Rays on a Lion Cub

Lion Cubs, Serengeti National Park, Tanzania

Yellowstone National Park, Montana

Bison in a Blizzard

Yellowstone National Park, Wyoming

Herd of Pronghorns, Yellowstone National Park, Montana

Pronghorns in a Blizzard

Herd of Pronghorns, Yellowstone National Park, Wyoming

Black Bear playing in the snow, Jackson Hole, Wyoming

Rolling in the Snow

Black Bear playing in the snow, Jackson Hole, Wyoming

Elk, Grand Teton National Park, Wyoming

All Alone

Elk, Grand Teton National Park, Wyoming

A Coastal Brown Bear cub and mother, Katmai National Park, Alaska

Kisses for Mommy

A Coastal Brown Bear cub and mother, Katmai National Park, Alaska

Black Bear, Jackson Hole, Wyoming

The Curious Bear

Black Bear, Jackson Hole, Wyoming

Bison in Grand Teton National Park, Wyoming

Powerful

Bison in Grand Teton National Park, Wyoming

399’s Grizzly Cub, Grand Teton National Park, Wyoming

Little Darling

399’s Grizzly Cub, Grand Teton National Park, Wyoming

Dik-dik, Tanzania

Hiding in the Grasses

Dik-dik, Tanzania

Baby Grizzlies, Grand Teton National Park

Playtime

Baby Grizzlies, Grand Teton National Park, Wyoming

A Mother's Love

Elephant mother and child, Tarangire National Park, Tanzania

Bison and European Starling, Yellowstone, Montan

Hitching a Ride

Bison and European Starling, Yellowstone National Park, Wyoming

Coastal Brown Bear shares the river with fisherman, Brooks River, Katmai National Park, Alaska

Foggy Fall Sunrise

Coastal Brown Bear shares the river with fisherman, Brooks River, Katmai National Park, Alaska

Bison, Yellowstone National Park

Yellowstone Bison

Bison, Yellowstone National Park, Wyoming

First Date

Giraffes under a tree, Tarangire National Park, Tanzania

Elk herd, Elk Refuge, Grand Teton National Park, Wyoming

The Queen and King

Elk herd, Elk Refuge, Grand Teton National Park, Wyoming

Mule Deer, Grand Teton National Park, Wyoming

Batting Her Lashes

Mule Deer, Grand Teton National Park, Wyoming

Ngorongoro Conservation Area, Tanzania

Lioness in Early Morning Light

Ngorongoro Conservation Area, Tanzania

Moose, Grand Teton National Park, Wyoming

Powdering Her Nose

Moose, Grand Teton National Park, Wyoming

Moose, Grand Teton National Park, Wyoming

Family Vacation

Elephants, Serengeti, National Park, Tanzania

A young Black Bear just out of hibernation, Jackson Hole, Wyoming

Spring Exploration

A young Black Bear just out of hibernation, Jackson Hole, Wyoming

Coastal Brown Bears, Katmai National Park, Alaska

No Mommy!

Lioness and cub, Tanzania

Cubs of Grizzly Bear 399, Grand Teton National Park

Little Muffins

Cubs of Grizzly Bear 399, Grand Teton National Park, Wyoming

Coastal Brown Bears, Katmai National Park, Alaska

Grizzlies on the Vast Landscape

Coastal Brown Bears, Katmai National Park, Alaska

Exploring Youngster

Coastal Brown Bear, Katmai National Park, Alaska

Coastal Brown Bears, Katmai National Park, Alaska

Sibling Rivalry

Coastal Brown Bears, Katmai National Park, Alaska

Grizzly 399 and three of her cubs, Grand Teton National Park

Snacking on Berries

Grizzly 399 and three of her cubs, Grand Teton National Park, Wyoming

Bighorn Sheep, Yellowstone National Park, Montana

Top of the Hill

Bighorn Sheep, Yellowstone National Park, Wyoming

Zebra and Topi, Tanzania

Serengeti Serenity

Zebra and Topi, Tanzania

Grizzly Bear 399 and her cubs, Grand Teton National Park

Country Fences

Grizzly Bear 399 and her four cubs, Teton Village, Wyoming

Coastal Brown Bear, Katmai National Park, Alaska

At Peace Alone

Coastal Brown Bear, Katmai National Park, Alaska

Cubs of Grizzly Bear 399, Grand Teton National Park

Striding with Mom

Grizzly Bear 399 and cub, Teton Village, Wyoming