Howling Wolf Cub #1
Jean-Louis Klein & Marie-Luce Hubert
Mexican Spotted Owl
Craig K. Lorenz
Zebra Longwing #2
Millard H. Sharp
Florida Panther #7
Millard H. Sharp
Mexican Free-tailed Bat
Roger Hall
Bull Moose
Thomas and Pat Leeson
Black-capped Chickadee #28
Linda Freshwaters Arndt
Pronghorn Antelope In Sunset
Mark Newman
Bull Caribou #9
Ron Sanford
Red Knot On Horseshoe Crab #1
Mark Newman
Great Kiskadee #1
Anthony Mercieca
Bluegill Lepomis Macrochirus
William H. Mullins
Indigo Bunting #4
Anthony Mercieca
Black-capped Chickadee #15
Linda Freshwaters Arndt
Sandhill Cranes #2
Mark Newman
Smallmouth Bass #1
Ted Kinsman
Tentacles Of A Portuguese Man-o-war
Gregory G. Dimijian, M.D.
Snowy Egret Tending Young
Millard H. Sharp
Sandhill Crane Pair
Millard H. Sharp
Calliope Hummingbird Stellula Calliope
Anthony Mercieca
California Towhee
Anthony Mercieca
Barred Owl Strix Varia Owlet
Thomas and Pat Leeson
Black-capped Chickadee #4
Linda Freshwaters Arndt
Sandhill Cranes #1
Mark Newman
Red Knot On Horseshoe Crab
Mark Newman
Western Screech Owl
Roger Hall
Bull Caribou #1
Ron Sanford
Gray Wolf And Cubs #9
Jean-Louis Klein & Marie-Luce Hubert
Northern Snakehead
USGS and USFWS/ Science Source
American Robin Nest
Photo Researchers, Inc.
Barren-ground Caribou
Mark Newman
Sandhill Cranes #4
Mark Newman
Great Horned Owl
Jim Zipp
Semipalmated Plover #2
James Zipp
Northern Red-legged Frog
Stuart Wilson
Cackling Goose In Water
Anthony Mercieca
American Crow Flying Over Water
Anthony Mercieca
Northern Harrier #2
James Zipp
Evening Grosbeak #1
James Zipp
Northern Harrier #5
James Zipp
Rufous Hummingbird #1
Thomas and Pat Leeson
Loggerhead Sea Turtle #3
Millard H. Sharp
Dall Sheep #2
Mark Newman
Brown Bear Cubs
Ron Sanford
Brown Bears Fighting
Ron Sanford
Common Eider Pair
John Shaw
Common Eider #3
John Shaw
Bull Caribou #4
Ron Sanford
Harris Hawk
Richard and Ellen Thane
Elf Owl nesting in tree cavity
Craig K Lorenz
California Condor
Thomas And Pat Leeson
Sea Otter Pup
Thomas And Pat Leeson
Sea Otters #9
Thomas And Pat Leeson
Rhinocerus Beetle Dynastes Tityus Male
Millard H. Sharp
Wild Turkey Meleagris Gallopavo
Ron Sanford
Bald Eagles #2
Ron Sanford
Great Gray Owl Owlets
Art Wolfe
Lewiss Woodpecker With Fruit In Beak
Anthony Mercieca
Chimney Swift
John Kaprielian
Wild Boar Skull, X-ray #3
Ted Kinsman
Northern Diamondback Terrapin
Roger Hall
Alligator Snapping Turtle With Young
Millard H. Sharp
Grizzly Bear With Cubs
Boyd E. Norton
Bald Eagle #5
Ron Sanford
Valley Elderberry Longhorn Beetle
Roger Hall
Eastern Massasauga Rattlesnake
Roger Hall
Male California Quail
Thomas And Pat Leeson
Canadian Lynx Kitten #1
Thomas And Pat Leeson
Cougar Cub #4
Jeffrey Lepore