Pete Oxford / Timber Rattlesnake (Crotalus horridus) rattle, native to the southeastern United States
00456040
Pete Oxford / Timber Rattlesnake (Crotalus horridus) in defensive posture showing rattle, native to the southeastern United States
00456039
Pete Oxford / Timber Rattlesnake (Crotalus horridus), native to the southeastern United States
00455982
Pete Oxford / Timber Rattlesnake (Crotalus horridus) black and yellow morphs near hibernation den, northern Georgia
00455983
Pete Oxford / Timber Rattlesnake (Crotalus horridus) black morph, native to the eastern United States, Digitally Manipulated
00455980
Pete Oxford / Timber Rattlesnake (Crotalus horridus) black and yellow morphs near hibernation den, northern Georgia
00455964
Pete Oxford / Grand Canyon Rattlesnake (Crotalus oreganus abyssus) showing rattle, native to Arizona
00455965
Pete Oxford / Twin-spotted Rattlesnake (Crotalus pricei) amid pine needles, native to Mexico and the United States
00455961
Pete Oxford / Western Rattlesnake (Crotalus viridis) in defensive posture, native to western North America
00455951
Pete Oxford / Eastern Diamondback Rattlesnake (Crotalus adamanteus) in defensive posture, Little St. Simon's Island, Georgia
00455949
Pete Oxford / Eastern Diamondback Rattlesnake (Crotalus adamanteus) in defensive posture, Little St. Simon's Island, Georgia
01339908
Daniel Heuclin / Uracoan Rattlesnake (Crotalus vegrandis) in a defensive strike-ready pose. Captive. Venezuela,
01339907
Daniel Heuclin / Tropical Rattlesnake (Crotalus durissus) against a white background. Captive. Endemic to tropical America.
01339906
Daniel Heuclin / Tropical Rattlesnake (Crotalus durissus) against a white background. Captive. Endemic to tropical America.
01339905
Daniel Heuclin / Tropical Rattlesnake (Crotalus durissus) smelling the air with its forked tongue. Captive. Endemic to tropical America, June.
01339904
Daniel Heuclin / Tropical Rattlesnake (Crotalus durissus) smelling the air with its forked tongue. Captive. Endemic to tropical America, May.
01324476
Daniel Heuclin / Panamint rattlesnake (Crotalus mitchelli stephensi) close-up of rattling tail, Panamint mountains, Death valley NP, California, USA. Controlled conditions.
01324475
Daniel Heuclin / Panamint rattlesnake (Crotalus mitchelli stephensi) rattling tail, Panamint mountains, Death valley NP, California, USA. Controlled conditions.
01324474
Daniel Heuclin / Western diamondback rattlesnake (Crotalus atrox) coiled on itself, flicking tongue, Organ pipe cactus NP, Arizona, USA. Controlled conditions.
01323025
John Cancalosi / Sidewinder rattlesnake (Crotalus cerates) moving over wood, Sonoran desert, Arizona, USA
01313100
Barry Mansell / Speckled Rattlesnake (Crotalus mitchelli) Peach Phase, Arizona, USA
01313104
Barry Mansell / Western Diamondback Rattlesnake (Crotalus atrox) striking, Arizona, USA
01313094
Barry Mansell / Mohave Rattlesnake (Crotalus scutulatus) coiled up on sand dunes, Arizona, USA
01313093
Barry Mansell / Mohave Rattlesnake (Crotalus scutulatus) coiled under purple flowers, Arizona, USA
01325093
John Cancalosi / Timber Rattlesnake (Crotalus horridus) hiding under rock, USA
01325092
John Cancalosi / Timber Rattlesnakes (Crotalus horridus) hiding under rock, USA
01325091
John Cancalosi / Timber Rattlesnake (Crotalus horridus) hiding under rock, USA
01325090
John Cancalosi / Timber Rattlesnake (Crotalus horridus) hiding under rock, USA
01312660
Daniel Heuclin / Banded rock rattlesnake (Crotalus lepidus klauberi) portrait, Chiricahua mountains, Arizona, USA, Controlled conditions.
01312661
Daniel Heuclin / Rock rattlesnake (Crotalus lepidus klauberi) with tail rattle raised in defensive / aggressive posture Chiricahua mountains, Arizona, USA, Controlled conditions
01307332
John Cancalosi / Twin-spotted Rattlesnake (Crotalus pricei) biologists painting tail for indentification purposes, during scentific study. Arizona, USA
01307330
John Cancalosi / Black-tailed Rattlesnake (Crotalus molossus) "tasting" the air with its tongue, Chiricahua Mountains, Arizona, USA
00447279
Pete Oxford / Rupununi Rattlesnake (Crotalus durissus trigonicus), Rupununi, Guyana
01295816
Michael D. Kern / Northern pacific rattlesnake (Crotalus oreganus oreganus) on road, California, USA
01295785
Michael D. Kern / Western diamondback rattlesnake (Crotalus atrox) in habitat, USA
01295784
Michael D. Kern / Western diamondback rattlesnake (Crotalus atrox) with tongue and rattle exposed, USA
01295766
Michael D. Kern / Banded rock rattlesnake (Crotalus lepidus klauberi) captive, from USA
01295750
Michael D. Kern / Black-tailed rattlesnake (Crotalus molossus) coiled with tongue exposed and ready to strike, rattling tail, captive, from USA
01295749
Michael D. Kern / Red diamond rattlesnake (Crotalus ruber) mouth open exposing fangs and poison duct, captive, from southern USA and Mexico
01295727
Michael D. Kern / Banded rock rattlesnake (Crotalus lepidus klauberi) captive, from SW USA and Mexico
01295726
Michael D. Kern / Black tailed rattlesnake (Crotalus molossus) captive, from SW USA and Mexico
01295725
Michael D. Kern / Black tailed rattlesnake (Crotalus molossus) captive, from SW USA and Mexico
01295724
Michael D. Kern / Striped mohave rattlesnake (Crotalus scutulatus spp) showing rattle, captive, from USA
01295723
Michael D. Kern / Hopi rattlesnake (Crotalus viridis nuntius) showing tongue and rattle, captive, from SW USA
01295722
Michael D. Kern / Midget faded rattlesnake (Crotalus oreganus concolor) captive, from USA
01295720
Michael D. Kern / Striped western diamondback rattlesnake (Crotalus atrox) captive, from USA
01295719
Michael D. Kern / Melanistic Western diamondback rattlesnake (Crotalus atrox) captive, from USA
01295718
Michael D. Kern / Brazilian rattlesnake (Crotalus durissus terrificus) captive, from South America
01295714
Michael D. Kern / Mohave rattlesnake (Crotalus scutulatus) with tongue exposed, captive, from USA and Mexico
01295659
Michael D. Kern / Cane-brake rattlesnake (Crotalus horridus atricaudatus) captive, from USA
01294353
Rolf Nussbaumer / Western Diamondback Rattlesnake (Crotalus atrox) flicking tongue in strike posture, in field of Showy Primrose, Fennessey Ranch, Refugio, Coastal Bend, Texas, USA
00445248
Richard Herrmann / Southern Pacific Rattlesnake (Crotalus viridis helleri) in defensive position, Poway, California
01286209
John Cancalosi / Sonoran Desert Sidewinder (Crotalus cerastes) portrait, Arizona, USA
01286208
John Cancalosi / Sonoran Desert Sidewinder (Crotalus cerastes) portrait, Arizona, USA
01288397
Stephen Dalton / Western diamondback rattlesnake striking (note venom on fangs) USA
01288291
Stephen Dalton / Western diamond-back rattlesnake (Crotalus atrox) striking. USA
01287928
Luiz Claudio Marigo / Tropical rattlesnake (Crotalus durissus) Cerrado of Emas National Park, Mineiros, Brazil.
00442935
Pete Oxford / Eastern Diamondback Rattlesnake (Crotalus adamanteus) showing 'blue eye' indicating animal is about to molt, Little St. Simon's Island, Georgia
00442934
Pete Oxford / Eastern Diamondback Rattlesnake (Crotalus adamanteus) showing 'blue eye' indicating animal is about to molt, Little St. Simon's Island, Georgia
00442927
Pete Oxford / Eastern Diamondback Rattlesnake (Crotalus adamanteus) with extended tongue, Little St. Simon's Island, Georgia
00442912
Pete Oxford / Eastern Diamondback Rattlesnake (Crotalus adamanteus) showing rattle, Little St. Simon's Island, Georgia
00442904
Pete Oxford / Eastern Diamondback Rattlesnake (Crotalus adamanteus) coiled in leaf litter, Little St. Simon's Island, Georgia
01276367
Stephen Dalton / Western diamondback rattlesnake {Crotalus atrox} striking, controlled conditions, from USA
00442717
Luciano Candisani / Aruba Rattlesnake (Crotalus durissus) in scrub habitat, Jalapao State Park, Jalapao, Brazil
01285699
James Brickell / Timber rattlesnake {Crotalus horridus} amongst leaf litter with tongue exposed, New York, USA
01275644
John Cancalosi / Sonoran Desert Sidewinder rattlesnake (Crotalus cerastes) sensing the air with tongue, Arizona, USA
01275643
John Cancalosi / Sonoran Desert Sidewinder rattlesnake (Crotalus cerastes) sensing the air with tongue, Arizona USA
01275635
John Cancalosi / Black-tailed Rattlesnake (Crotalus molossus) "Smelling" or "tasting" the air with its tongue. Chiricahua Mountains, Arizona, USA
01275636
John Cancalosi / Black-tailed Rattlesnake (Crotalus molossus) "Smelling" or "tasting" the air with its tongue. Chiricahua Mountains, Arizona, USA
01275634
John Cancalosi / Black-tailed Rattlesnake (Crotalus molossus) "Smelling" or "tasting" the air with its tongue. Chiricahua Mountains, Arizona, USA
01265228
Edwin Giesbers / Western diamondback rattlesnake {Crotalus atrox} captive, from Texas; USA;
01265212
Edwin Giesbers / Western diamondback rattlesnake {Crotalus atrox} captive, from Texas, USA
01265208
Edwin Giesbers / Mexican West Coast Rattle Snake {Crotalus basiliscus} captive, from Central America
01265191
Edwin Giesbers / Canebrake Rattlesnake {Crotalus horridus atricaudatus} captive, detail of skin, from SE Asia
01265193
Edwin Giesbers / Western diamondback rattlesnake {Crotalus atrox} captive, from Texas, USA
01265170
Edwin Giesbers / Mexican West Coast Rattle Snake {Crotalus basiliscus} close up of head, captive, from Central America
01276378
Stephen Dalton / Western diamondback rattlesnake (Crotalus atrox) striking, controlled conditions, from USA
01274418
Barry Mansell / Timber rattlesnake (Crotalus horridus) coiled, Georgia, USA
01258488
Claudio Contreras / Rock / Green rattlesnake (Crotalus lepidus) coiled on rock, Huichola Sierra, western Mexico, July
00439913
Albert Lleal / Western Diamondback Rattlesnake (Crotalus atrox) albino smelling the air with his tongue, native to North America
00439912
Albert Lleal / Western Diamondback Rattlesnake (Crotalus atrox) retracting and repositioning fangs, native to North America
01256289
Nick Garbutt / Prairie rattlesnake (Crotalus viridis) tail, from Wyoming, USA
01258312
Claudio Contreras / Rock rattlesnake (Crotalus lepidus) Huichola Sierra, western Mexico, September
00426974
ZSSD / Southern Pacific Rattlesnake (Crotalus viridis helleri) coiled up showing head with sensory pit organ, North America
00426939
ZSSD / Red Rattlesnake (Crotalus ruber) portrait showing eye and pit sensory organ, native to North America
01220787
John Cancalosi / Taking venom from Timber Rattlesnake {Crotalus horridus} NE USA
00176424
Tim Fitzharris / Prairie Rattlesnake (Crotalus viridis viridis) coiled, using its tongue to collect scents, North America
01210553
Tony Phelps / Western diamond-back rattlesnake {Crotalus atrox }head portrait, Captive, from SW USA
01208734
John Cancalosi / Mexican West Coast Rattle Snake (Crotalus basiliscus) Neonate with only end scale or "button" of rattle, Sonora, Mexico
01208735
John Cancalosi / Mexican West Coast Rattle Snake (Crotalus basiliscus) Neonate with only end scale or "button" of rattle, Sonora, Mexico
01208719
John Cancalosi / Western Diamondback Rattlesnake (Crotalus atrox) Arizona, USA
01208718
John Cancalosi / Western Diamondback Rattlesnake (Crotalus atrox) Arizona, USA
01208714
John Cancalosi / Western Diamondback Rattlesnake (Crotalus atrox) Arizona, USA
01194440
Michael D. Kern / Red Diamond Rattlesnake {Crotalus ruber} captive, from NW central america
01194439
Michael D. Kern / Red Diamond Rattlesnake {Crotalus ruber} captive, from NW central america
01194438
Michael D. Kern / Red Diamond Rattlesnake {Crotalus ruber} captive, from NW central america
