Black Crake, Zapornia flavirostra
J D L Franz Wagner
Brown-breasted Barbet, Pogonornis melanopterus
Breck Bartholomew
Hernandez's Helmeted Basilisk, Corytophanes hernandesii
Friedrich August Schmidt
Lander's Horseshoe Bat, Rhinolophus landeri
C H Haas
Dusky Elephant Shrew, Elephantulus Fuscus
J D L Franz Wagner
Skull of a Bush Duiker, Sylvicapra grimmia
J D L Franz Wagner
Striped Bush Squirrel, Paraxerus flavovittis
J D L Franz Wagner
Brown Basilisk, Basiliscus vittatus
Friedrich August Schmidt
Brown-headed Parrot, Piocephalus cryptoxanthus
J D L Franz Wagner
Eastern Casquehead Iguana, Laemanctus longipes
Carl Wilhelm Pohlke
Northeastern Spiny-tailed Iguana, Ctenosaura acanthura
Carl Wilhelm Pohlke
Mexican Spiny-tailed Iguana, Ctenosaura pectinata
Elsasser
Lichtenstein's Hartebeest, Alcelaphus lichtensteinii
J D L Franz Wagner
Beaded Lizard, Heloderma horridum
Friedrich August Schmidt
Frontis of Historia naturalis Ranarum nostratium
August Johann Roesel von Rosenhof
Snakes and frogs of Costa Rica
T Sinclair
Basilisk in Costa Rica
T Sinclair
Snakes and Frogs of Costa Rica
T Sinclair
Snakes and Lizards of Costa Rica
T Sinclair
Anoles of Costa Rica
T Sinclair
Frogs of Costa Rica
T Sinclair
Yellow Baboon, Papio cynocephalus
J D L Franz Wagner
Checkered Elephant Shrew skeleton
W Wagenschreiber
Plate 3 from Tractatio de theoria descensus et ascensus gravium obliqui ejusque multiplici applicati
Joseph Anton Zimermann
Plate 2 from Tractatio de theoria descensus et ascensus gravium obliqui ejusque multiplici applicati
Joseph Anton Zimermann
Plate 1 from Tractatio de theoria descensus et ascensus gravium obliqui ejusque multiplici applicati
Joseph Anton Zimermann
Frontis to Tractatio de theoria descensus et ascensus gravium obliqui ejusque multiplici application
Joseph Anton Zimermann
Central Yellow Baboon, Papio c. cynocephalus
J D L Franz Wagner
White Throated Guenon, Cercopithecus albogularis erythrarchus
J D L Franz Wagner
Green Iguana, Iguana iguana
Breck Bartholomew
Marine Iguana, Amblyrhynchus cristatus
Breck Bartholomew
Marine Iguana, Amblyrhynchus cristatus
Breck Bartholomew
Striped Whipsnake, Masticophis taeniatus
Breck Bartholomew
Cat on a puzzle
Lois Bartholomew
Skeletal man walking his dinosaur statue
Breck Bartholomew
Wang Lang Nature Reserve, China
Breck Bartholomew
Jiuzhaigou National Park, China
Breck Bartholomew
Jiuzhaigou National Park, China
Breck Bartholomew
Western Yellow-bellied Racer, Coluber constrictor
Breck Bartholomew
Chuckwalla, Sauromalus ater
Breck Bartholomew
Chuckwalla, Sauromalus ater
Breck Bartholomew
Chuckwalla, Sauromalus ater
Breck Bartholomew
Chuckwalla, Sauromalus ater
Breck Bartholomew
Chuckwalla, Sauromalus ater
Breck Bartholomew
Chuckwalla, Saurolamus ater
Breck Bartholomew
Chuckwalla, Sauromalus ater
Breck Bartholomew
Chuckwalla, Sauromalus ater
Breck Bartholomew
Chuckwalla, Sauromalus ater
Breck Bartholomew
Eastern Fence Lizard, Sceloporus undulatus
Breck Bartholomew
Western Pond Turtle, Actinemys marmorata
Breck Bartholomew
Stink Bug
Breck Bartholomew
Stink Bug
Breck Bartholomew
Stink bug
Breck Bartholomew
Stink Bug
Breck Bartholomew
Fer-de-lance, Bothrops asper
Breck Bartholomew
Fer-de-lance, Botherops asper
Breck Bartholomew
Fer-de-lance, Bothrops asper
Breck Bartholomew
Death Valley mud
Breck Bartholomew
Death Valley Racetrack
Breck Bartholomew
Death Valley Racetrack
Breck Bartholomew
Death Valley Ractrack
Breck Bartholomew
Death Valley racetrack
Breck Bartholomew
Death Valley Racetrack
Breck Bartholomew
Cane Toad
Breck Bartholomew
Turtles at a temple in Narita, Japan
Breck Bartholomew
Green Sea Turtle returning to sea
Breck Bartholomew
Green Sea Turtle returning to sea
Breck Bartholomew
Green Sea Turtle returning to sea
Breck Bartholomew
Green Sea Turtle hatchling
Breck Bartholomew
Garden Lizard
Nguyen van Xuan
Death Valley Racetrack
Breck Bartholomew
Death Valley mud
Breck Bartholomew