Philbrook Museum Of Art, Oklahoma
Richard and Ellen Thane
Red Eagle, William Weatherford, Creek #2
British Library
Gray Wolf
Jean-Louis Klein and Marie-Luce Hubert
Mourning Dove #3
Anthony Mercieca
Howling Wolf Cub #1
Jean-Louis Klein & Marie-Luce Hubert
Grandfather Mountain
Bruce Roberts
Great Grey Owl #2
Scott Linstead
Crazy Horse At The Battle Of The Little
Photo Researchers
Chief Joseph Nez Perce Leader
NPS Photo
Cahaba River With Lilies
Jeffrey Lepore
F-86 Sabre, First Swept-wing Fighter #1
Science Source
Lighthouse, Cape Hatteras, Nc
Bruce Roberts
Robins Nest With Eggs
Ted Kinsman
Cree Indian Squaw And Papoose
British Library
American Kestrel
Scott Linstead
The Eagles Nest, 1861
Photo Researchers
Mushroom Cloud At Nevada Test Site
H Armstrong Roberts ClassicStock
Wwii, North American P-51 Mustang, 1940s
Science Source
Barred Owl In Flight #5
Scott Linstead
Gray Wolf And Cubs #3
Jean-Louis Klein & Marie-Luce Hubert
Rhodora Rhododendron Canadense
Andrew J. Martinez
Native American Indian Tribal Leaders
Science Source
Native American Indian War Dance
British Library
Black-capped Chickadee #28
Linda Freshwaters Arndt
Eastern Screech Owls #1
Ron Austing
Almond Orchard In Bloom #1
Ron Sanford
Mexican Spotted Owl
Craig K. Lorenz
American Bison Herd
Craig K. Lorenz
Red Cloud, Oglala Lakota Indian Chief #3
Science Source
Timber Wolf #12
Hans Reinhard
Extinct Animals Of North America
Roger Hall
Caddo Lake, Texas #2
Gregory G. Dimijian, M.D.
Scaled Quail #1
James Zipp
Thayendanegea, Joseph Brant, Mohawk
British Library
Red Eagle, William Weatherford, Creek
British Library
Pontiac, Odawa War Chief
British Library
Imperial Sand Dunes
Mark Newman
The First Thanksgiving 1621
Photo Researchers
Mature Rice Crop
Ron Sanford
Redwoods Sequoia Sempervirens #1
Ted Kinsman
California Kelp Forest
Jim Dowdalls
North American Wolverine Gulo Gulo
Gerard Lacz
North American P-51c Excalibur IIi
Millard H. Sharp
Porcupines #1
Linda Freshwaters Arndt
Sitting Bull And Buffalo Bill, 1885
Science Source
Great Kiskadee #1
Anthony Mercieca
Mexican Free-tailed Bat
Roger Hall
Gray Wolf And Cubs #9
Jean-Louis Klein & Marie-Luce Hubert
Sunrise in the Everglades
Claudine Laabs and Photo Researchers
Porcupines #2
Linda Freshwaters Arndt
Northern Spotted Owl #2
Art Wolfe
Cougar #16
Linda Freshwaters Arndt
Brittany Spaniel and Box Turtle
Kenneth H Thomas
Native American Indian Buffalo Hunting
Photo Researchers
Native American With Scalps Mid-18th C
Photo Researchers
Battle Of Bloody Brook 1675
Photo Researchers
Wwii, North American P-51 Mustang, 1940s #1
Science Source
Rose-breasted Grosbeak
James Zipp
Black-capped Chickadee #15
Linda Freshwaters Arndt
American Black Bear #1
Linda Arndt
American Lion Extinct, Illustration
Roger Hall
Bull Moose
Thomas and Pat Leeson
Peter Stuyvesant, 17th Century #1
Photo Researchers
The Landing Of William Penn, 1682
Photo Researchers
Trumpeter Swans Cygnus Buccinator #1
Linda Freshwaters Arndt
Muskrat Ondatra Zibethicus #2
Linda Freshwaters Arndt
Osprey Catching Trout #5
Scott Linstead
Bull Caribou #9
Ron Sanford
Flowers
Richard and Ellen Thane
Mount Mcloughlin
Sean Bagshaw