American Kestrel
Scott Linstead
Mq-1 Predator
Photo Researchers
Barred Owl In Flight #5
Scott Linstead
Ladybug Beetle
Roger Hall
Cryptobranchus, Living Fossil
Science Source
Timber Wolf #12
Hans Reinhard
Great White Shark #5
Jean-Louis Klein & Marie-Luce Hubert
Snowy Owls
Paal Hermansen
Brown Bear Chasing Salmon
William H Mullins
Saber Tooth Cat Skull Fossil #3
Millard H. Sharp
Lynx Catching Snowshoe Hare
Ed Cesar
Snow Leopard Panthera Uncia
Thomas And Pat Leeson
Brown Bear Digging Clams
William H. Mullins
Leopard At Dawn
Gregory G. Dimijian
Osprey Catching Trout #5
Scott Linstead
A Wolf In Sheeps Clothing
Mike Agliolo
Red Knot On Horseshoe Crab #1
Mark Newman
White-tailed Sea Eagle
Thomas Hanahoe
American Alligator #13
Millard H. Sharp
Timber Wolf #1
Hans Reinhard
Timber Wolf #11
Hans Reinhard
Didinium Attacking Paramecium composite SEM
Greg Antipa
Barred Owl
Scott Linstead
San Francisco Garter Snake
Gregory G. Dimijian, M.D.
Long-tailed Weasel In Winter #2
Greg Dimijian
Longhorn Sculpin #4
Andrew J. Martinez
Cat Watching Birds
Rolf Kopfle
Great Barracuda #1
Charles Angelo
Antilles Pinktoe Tarantula
Dante Fenolio
Deep-sea Dragonfish #1
Danté Fenolio
Timber Wolf #13
Hans Reinhard
Saw-whet Owls
G Ronald Austing
Great White Shark #8
Jean-Louis Klein & Marie-Luce Hubert
Hunting Dogs, C.1930s
H. Armstrong Roberts/ClassicStock
Telescopefish Gigantura Sp
Dante Fenolio
Gray Wolf Or Timber Wolf #1
Thomas And Pat Leeson
Sabertooth Cat #1
Millard H. Sharp
Saber Tooth Cat Xenosmilus Skull
Millard H. Sharp
Dinosaur Spinosaurus #8
Science Picture Co
Hunting
Gregory G. Dimijian, M.D.
Black Rat Snake Feeding
Scott Camazine
Spider Eats Termite
Danté Fenolio
Black Rat Snake Feeding #1
Scott Camazine
Black Rat Snake Feeding #2
Scott Camazine
Black Rat Snake Feeding #3
Scott Camazine
Predator Prey Cat Style
Joan Baron
Cardinal Jumping Spider In Flower
Scott Linstead
Great Blue Heron With Prey
Scott Linstead
Red Knot On Horseshoe Crab
Mark Newman
Tiger Shark #1
Andrew J. Martinez
Ladybug Drinking
Scott Linstead
Ladybug Taking Off #2
Scott Linstead
Harvest Mouse Eating Monarchs
Gregory G. Dimijian
Ichthyosaurus And Plesiosaurus
Science Source
Ichthyosaurus And Plesiosaurus
Wellcome Images
Snowy Owl Nyctea Scandiaca
Ray Coleman
Long-tailed Weasel
Phil A. Dotson
Orchid Mantis
Danté Fenolio
Polar Bear Ursus Maritimus
Mark Newman
European Wolves, Canis Lupus
Duncan Usher
Brown Bear Fishing
Phil A. Dotson
Black Cat With Pumpkin
Harry Rogers
Snow Leopard Panthera Uncia #1
Thomas And Pat Leeson
Siberian Tiger Cub
Craig K. Lorenz
Liver Egyptian Mau Cat
Jeanne White
Roseate Spoonbill Ajaia Ajaja
Millard H. Sharp
Grizzly Bear With Cubs
Boyd E. Norton
Phronima #7
Dante Fenolio
Antilles Pinktoe Tarantula #5
Dante Fenolio