American Alligator #13
Millard H. Sharp
Golden-crowned Sparrow Singing
Paul J. Fusco
Territorial Acquisitions Of United
Science Source
Bear Cub And Black Crow
Ylla
Andrew Taylor Still, American Father
Science Source
Tombstone Territorial Park
Mark Newman
Alligator Territorial Bellow
Millard H. Sharp
Black Cats Fighting
Jean-Louis Klein and Marie-Luce Hubert
Ruby Throated Hummingbird #14
Millard H. Sharp
Baltimore Orioles
Anthony Mercieca
American Alligator #2
Millard H. Sharp
American Alligator #50
Millard H. Sharp
Male Rufous Hummingbird #1
Tom and Pat Leeson
Waves Break On Coral Reef Table
Jeff Rotman
Leadbeaters Ground Hornbill
Millard H. Sharp
Ruby Throated Hummingbird #53
Millard H. Sharp
Ruby Throated Hummingbird #64
Millard H. Sharp
Ruby Throated Hummingbird #7
Millard H. Sharp
Ruby Throated Hummingbird #4
Millard H. Sharp
Ruby Throated Hummingbird #10
Millard H. Sharp
Ruby Throated Hummingbird #26
Millard H Sharp
Grey Fox #1
Millard H. Sharp
American Alligator #15
Millard H. Sharp
Ruby Throated Hummingbird #25
Millard H. Sharp
Ruby Throated Hummingbird #27
Millard H. Sharp
Grizzly Lake, Yukon
Mark Newman
Mount Monolith #3
Mark Newman
Hoary Marmot #7
Mark Newman
Trachea, Hyaline Cartilage, Lm
Alvin Telser
Larynx, Human, Lm
Alvin Telser
Eastern Bluebird Sialia Sialis #2
Millard H. Sharp
Ruby Throated Hummingbird #42
Millard H. Sharp
Greater Kudu Bulls Fighting
Millard H. Sharp
Ruby Throated Hummingbird #67
Millard H. Sharp
Ruby Throated Hummingbird #70
Millard H. Sharp
Male Northern Elephant Seals Sparring
Richard Hansen
Sandhill Crane Attacked By Red-winged
Linda Arndt
Ruby Throated Hummingbird
Millard H. Sharp
Ruby Throated Hummingbird #1
Millard H. Sharp
Ruby Throated Hummingbird #3
Millard H. Sharp
Ruby Throated Hummingbird #5
Millard H. Sharp
Ruby Throated Hummingbird #8
Millard H. Sharp
Ruby Throated Hummingbird #15
Millard H. Sharp
Eastern Bluebird Sialia Sialis #1
Millard H. Sharp
Ruby Throated Hummingbird #16
Millard H. Sharp
American Alligator #12
Millard H. Sharp
Ruby Throated Hummingbird #17
Millard H. Sharp
Ruby Throated Hummingbird #18
Millard H. Sharp
Ruby Throated Hummingbird #20
Millard H. Sharp
Ruby Throated Hummingbird #22
Millard H. Sharp
Ruby Throated Hummingbird #24
Millard H. Sharp
Ruby Throated Hummingbird #28
Millard H Sharp
Raccoon #22
Millard H. Sharp
Belted Kingfisher Displaying
Scott Linstead
Tent And Mount Monolith
Mark Newman
Tombstone Provincial Park #1
Mark Newman
German Shepherd
William H. Mullins
Male And Female Chameleons
Greg Dimijian
Male And Female Chameleons #1
Greg Dimijian
Great-tailed Grackle #1
Anthony Mercieca
Red-winged Blackbird Display
Anthony Mercieca
Adult Male Green Iguana
Danté Fenolio
Scalefin Anthias #1
Jeff Rotman
Green Moray Eel
J. W. Mowbray
Anole Courtship Display
Paul J. Fusco
Ruby Throated Hummingbird #41
Millard H. Sharp
Grey Fox #11
Millard H. Sharp
Ruby Throated Hummingbird #45
Millard H. Sharp
Ruby Throated Hummingbird #46
Millard H. Sharp
Ruby Throated Hummingbird #47
Millard H. Sharp
Ruby Throated Hummingbird #51
Millard H. Sharp
Ruby Throated Hummingbird #55
Millard H. Sharp