Joel Sartore / Photo Ark / Chinese box turtle (Cuora flavomarginata) head portrait, Turtle Survival Center. Captive, occurs in China and Japan. Endangered.
01717670
Joel Sartore / Photo Ark / Chinese box turtle (Cuora flavomarginata) portrait, Turtle Survival Center. Captive, occurs in China and Japan. Endangered.
01717669
Joel Sartore / Photo Ark / Chinese box turtle (Cuora flavomarginata) portrait, Turtle Survival Center. Captive, occurs in China and Japan. Endangered.
01717668
Joel Sartore / Photo Ark / Hainan three-striped box turtle (Cuora trifasciata luteocephala) head portrait, Turtle Survival Center. Captive, occurs in China. Critically endangered.
Joel Sartore / Photo Ark / Hainan three-striped box turtle (Cuora trifasciata luteocephala) head portrait, Turtle Survival Center. Captive, occurs in China. Critically endangered.
01722976
Joel Sartore / Photo Ark / Keeled box turtle (Cuora mouhotii mouhotii) ivory color phase, walking, Turtle Survival Center, South Carolina. Captive, occurs in Asia. Endangered.
01722975
Joel Sartore / Photo Ark / Keeled box turtle (Cuora mouhotii mouhotii) ivory color phase, head portrait, Turtle Survival Center, South Carolina. Captive, occurs in Asia. Endangered.
01722974
Joel Sartore / Photo Ark / Keeled box turtle (Cuora mouhotii mouhotii) ivory color phase, portrait, Turtle Survival Center, South Carolina. Captive, occurs in Asia. Endangered.
01722973
Joel Sartore / Photo Ark / Asian box turtle (Cuora serrata) head portrait, Turtle Survival Center, South Carolina. Hybrid - Coura galbinifrons, Coura bourreti and Coura mouhotii combine to make this hybrid species in the wild....
01722972
Joel Sartore / Photo Ark / Asian box turtle (Cuora serrata) portrait, Turtle Survival Center, South Carolina. Hybrid - Coura galbinifrons, Coura bourreti and Coura mouhotii combine to make this hybrid species in the wild. Capti...
01722971
Joel Sartore / Photo Ark / Asian box turtle (Cuora serrata) portrait, Turtle Survival Center, South Carolina. Hybrid - Coura galbinifrons, Coura bourreti and Coura mouhotii combine to make this hybrid species in the wild. Capti...
01204262
David Shale / Fang Tooth {Anoplogaster cornuta} close-up of head showing teeth, from the Mid-Atlantic Ridge, 2600m
01634538
Nick Garbutt / Sumatran pit viper (Trimeresurus sumatranus) juvenile on tree trunk, in tropical rainforest. Danum Valley, Sabah, Borneo, Malaysia.
01632888
Fabio Pupin / Meadow viper, (Vipera ursinii), basking in alpine meadow, Apennines, Italy, September . Non-ex.
01632782
Fabio Pupin / Peringuey's desert adder, (Bitis peringueyi), sidewinding on dune, Namib desert, Namibia, February . Non-ex.
01555328
Daniel Heuclin / Sunda island pitviper (Trimeresurus insularis) in tree, Komodo Island.
01531775
Bence Mate / Western diamond-backed rattlesnake (Crotalus atrox) Texas, USA, April.
01542870
Ingo Arndt / Prairie rattlesnake (Crotalus viridis viridis), threat display, South Dakota, USA September. Sequence 1 of 3
01385960
John Cancalosi / Male Western diamondback rattlesnake (Crotalus atrox) courting female, Sonoran Desert, Arizona, USA. Sequence 1/3.
01419920
Daniel Heuclin / Usambara bush Viper (Atheris ceratophora) captive from Tanzania, vulnerable species
01419889
Daniel Heuclin / Sand Viper (Cerastes vipera) side winding across sand dunes, near Chingueti, Mauritania
01419893
Daniel Heuclin / Sand Viper (Cerastes vipera) in shade of grass, Erg Chigaga, Morocco