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Two male Southern Pacific rattlesnakes (Crotalus oreganus helleri) fighting during mating season. This behaviour is known as a "combat dance", and is used to determine dominance and the right to mate...
01625450
John Chan / Two male Southern Pacific rattlesnakes (Crotalus oreganus helleri) fighting during mating season. This behaviour is known as a "combat dance", and is used to determine dominance and the right to mate...
Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
01508163
John Cancalosi / Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
Western diamond-backed rattlesnake (Crotalus atrox) Texas, USA, April.
01531775
Bence Mate / Western diamond-backed rattlesnake (Crotalus atrox) Texas, USA, April.
Prairie rattlesnake (Crotalus viridis viridis), threat display, South Dakota, USA September. Sequence 1 of 3
01542870
Ingo Arndt / Prairie rattlesnake (Crotalus viridis viridis), threat display, South Dakota, USA September. Sequence 1 of 3
Western diamondback rattlesnake (Crotalus atrox) Rio Grande Valley, Texas, USA, October. meetyourneighbours.net project
01376183
MYN / Seth Patterson / Western diamondback rattlesnake (Crotalus atrox) Rio Grande Valley, Texas, USA, October. meetyourneighbours.net project
Striped western diamondback rattlesnake (Crotalus atrox) captive, from USA
01295721
Michael D. Kern / Striped western diamondback rattlesnake (Crotalus atrox) captive, from USA
Western Diamondback Rattlesnake (Crotalus atrox) flicking tongue in strike posture, in field of Showy Primrose, Fennessey Ranch, Refugio, Coastal Bend, Texas, USA
01294352
Rolf Nussbaumer / Western Diamondback Rattlesnake (Crotalus atrox) flicking tongue in strike posture, in field of Showy Primrose, Fennessey Ranch, Refugio, Coastal Bend, Texas, USA
Sonoran Desert Sidewinder (Crotalus cerastes) with forked tongue extended, Arizona USA
01286210
John Cancalosi / Sonoran Desert Sidewinder (Crotalus cerastes) with forked tongue extended, Arizona USA
Mexican West Coast Rattle Snake {Crotalus basiliscus} close up of rattle, captive, from Central America
01265168
Edwin Giesbers / Mexican West Coast Rattle Snake {Crotalus basiliscus} close up of rattle, captive, from Central America
Mojave Sidewinder rattlesnake with tongue flickering and rattle raised {Crotalus cerastes cerastes} captive from California, USA
01194434
Michael D. Kern / Mojave Sidewinder rattlesnake with tongue flickering and rattle raised {Crotalus cerastes cerastes} captive from California, USA
Close up of coiled Western Diamondback Rattlesnake {Crotalus atrox} Texas, USA, May
01187473
Rolf Nussbaumer / Close up of coiled Western Diamondback Rattlesnake {Crotalus atrox} Texas, USA, May
Western diamondback rattlesnake close up {Crotalus atrox} rattle visible, Texas,
01128624
John Cancalosi / Western diamondback rattlesnake close up {Crotalus atrox} rattle visible, Texas,
Timber rattlesnakes emerging from den {Crotalus horridus} Pennsylvania, USA
01112625
John Cancalosi / Timber rattlesnakes emerging from den {Crotalus horridus} Pennsylvania, USA
Western diamondback rattlesnake (Crotalus atrox). Arizona, USA
01037199
John Cancalosi / Western diamondback rattlesnake (Crotalus atrox). Arizona, USA
Fangs of Eastern diamondback rattlesnake. Florida, USA {Crotalus adamanteus}
01066660
LYNN M. STONE / Fangs of Eastern diamondback rattlesnake. Florida, USA {Crotalus adamanteus}
Western diamondback rattlesnake {Crotalus atrox} in road at night. BBC Incredible Journeys. Road in the path of snake's migratory route across the Sonoran Desert, Arizona USA. Many killed on road.
01022308
Jason Venus / Western diamondback rattlesnake {Crotalus atrox} in road at night. BBC Incredible Journeys. Road in the path of snake's migratory route across the Sonoran Desert, Arizona USA. Many killed on road.
Sidewinder rattlesnake corkscrews along sand, wave of contact points passes along body (Resolution restriction - image digitised from film, 'Weird Nature' tv series)
01092547
Stephen Downer / John Downer P / Sidewinder rattlesnake corkscrews along sand, wave of contact points passes along body (Resolution restriction - image digitised from film, 'Weird Nature' tv series)
Western diamondback rattlesnake (Crotalus atrox) camouflaged amongst rocks, with rattle raised. Sonoran Desert, Arizona, USA. Controlled conditions. June 2019.
01630546
Daniel Heuclin / Western diamondback rattlesnake (Crotalus atrox) camouflaged amongst rocks, with rattle raised. Sonoran Desert, Arizona, USA. Controlled conditions. June 2019.
Western diamondback rattlesnake (Crotalus atrox), flicking tongue and with rattle raised, Arizona, USA. Controlled conditions.
01630543
Daniel Heuclin / Western diamondback rattlesnake (Crotalus atrox), flicking tongue and with rattle raised, Arizona, USA. Controlled conditions.
Two male Southern Pacific rattlesnakes (Crotalus oreganus helleri) fighting during mating season. This behaviour is known as a "combat dance", and is used to determine dominance and the right to mate...
01625449
John Chan / Two male Southern Pacific rattlesnakes (Crotalus oreganus helleri) fighting during mating season. This behaviour is known as a "combat dance", and is used to determine dominance and the right to mate...
Timber rattlesnakes (Crotalus horridus), gravid females basking to bring young to term, Pennsylvania
01597203
John Cancalosi / Timber rattlesnakes (Crotalus horridus), gravid females basking to bring young to term, Pennsylvania
Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
01508175
John Cancalosi / Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
01508174
John Cancalosi / Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
01508173
John Cancalosi / Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
01508172
John Cancalosi / Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
01508171
John Cancalosi / Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
01508170
John Cancalosi / Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
01508169
John Cancalosi / Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
01508167
John Cancalosi / Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
01508164
John Cancalosi / Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
01508162
John Cancalosi / Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
01508118
John Cancalosi / Group of gravid female Timber rattlesnakes (Crotalus horridus) basking before giving birth, Pennsylvania, USA, July.
Rattleless / Isla Santa Catalina rattlesnake (Crotalus catalinensis) endemic, brown phase, Santa Catalina Island, Baja California, Mexico, Critically Endangered
01556394
Mark Carwardine / Rattleless / Isla Santa Catalina rattlesnake (Crotalus catalinensis) endemic, brown phase, Santa Catalina Island, Baja California, Mexico, Critically Endangered
Western diamond-backed rattlesnake (Crotalus atrox) Texas, USA, April.
01531894
Bence Mate / Western diamond-backed rattlesnake (Crotalus atrox) Texas, USA, April.
Prairie rattlesnake (Crotalus viridis viridis), threat display, South Dakota, USA September.
01542739
Ingo Arndt / Prairie rattlesnake (Crotalus viridis viridis), threat display, South Dakota, USA September.
Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term with Common garter snakes (Thamnophis sirtalis) Pennsylvania, USA
01534537
John Cancalosi / Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term with Common garter snakes (Thamnophis sirtalis) Pennsylvania, USA
Dusky pygmy rattlesnake (Sistrurus miliarius barbouri) Apalachicola National Forest, Florida, USA, September. Meetyourneighbours.net project
01525176
MYN / JP Lawrence / Dusky pygmy rattlesnake (Sistrurus miliarius barbouri) Apalachicola National Forest, Florida, USA, September. Meetyourneighbours.net project
Desert massasauga snake (Sistrurus catenatus edwarsii) in desert, West Texas, USA, September.
01511639
Daniel Heuclin / Desert massasauga snake (Sistrurus catenatus edwarsii) in desert, West Texas, USA, September.
Pygmy rattlesnake (Sistrurus miliarius) Northern Georgia, USA, July. Captive, endemic to the USA.
01495237
Pete Oxford / Pygmy rattlesnake (Sistrurus miliarius) Northern Georgia, USA, July. Captive, endemic to the USA.
Three Western diamondback rattlesnakes (Crotalus atrox) coiled up, captive. Occurs in the United States and Mexico.
01481505
Philippe Clement / Three Western diamondback rattlesnakes (Crotalus atrox) coiled up, captive. Occurs in the United States and Mexico.
Rattles from tails of two Rattlesnakes (Crotalus sp)  from an old (top) and young snake, Arizona, USA.
01463570
Chris Mattison / Rattles from tails of two Rattlesnakes (Crotalus sp) from an old (top) and young snake, Arizona, USA.
Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Pennsylvania, USA, July.
01462828
John Cancalosi / Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Pennsylvania, USA, July.
DUPLICATE Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Pennsylvania, USA, July.
01462827
John Cancalosi / DUPLICATE Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Pennsylvania, USA, July.
Timber rattlesnakes (Crotalus horridus) adult females and newborn young, Pennsylvania, USA, September.
01462831
John Cancalosi / Timber rattlesnakes (Crotalus horridus) adult females and newborn young, Pennsylvania, USA, September.
Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Pennsylvania, USA, July.
01462826
John Cancalosi / Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Pennsylvania, USA, July.
Timber rattlesnakes (Crotalus horridus) adult females and newborn young, Pennsylvania, USA, September.
01462832
John Cancalosi / Timber rattlesnakes (Crotalus horridus) adult females and newborn young, Pennsylvania, USA, September.
DUPLICATE Timber rattlesnakes (Crotalus horridus) adult females and newborn young, Pennsylvania, USA, September.
01462825
John Cancalosi / DUPLICATE Timber rattlesnakes (Crotalus horridus) adult females and newborn young, Pennsylvania, USA, September.
DUPLICATE Timber Rattlesnakes (Crotalus horridus) new-born young with adult, Pennsylvania, USA, September.
01462834
John Cancalosi / DUPLICATE Timber Rattlesnakes (Crotalus horridus) new-born young with adult, Pennsylvania, USA, September.
Timber rattlesnakes (Crotalus horridus) adult females and newborn young, Pennsylvania, USA, September.
01462829
John Cancalosi / Timber rattlesnakes (Crotalus horridus) adult females and newborn young, Pennsylvania, USA, September.
DUPLICATE Timber Rattlesnakes (Crotalus horridus) new-born young with adult, Pennsylvania, USA, September.
01462833
John Cancalosi / DUPLICATE Timber Rattlesnakes (Crotalus horridus) new-born young with adult, Pennsylvania, USA, September.
DUPLICATE Timber rattlesnakes (Crotalus horridus) adult females and newborn young, Pennsylvania, USA, September.
01462824
John Cancalosi / DUPLICATE Timber rattlesnakes (Crotalus horridus) adult females and newborn young, Pennsylvania, USA, September.
DUPLICATE Timber rattlesnakes (Crotalus horridus, adult females and newborn young, Pennsylvania
01462830
John Cancalosi / DUPLICATE Timber rattlesnakes (Crotalus horridus, adult females and newborn young, Pennsylvania
Timber Rattlesnakes (Crotalus horridus) gravid females basking with gravid Common garter snake (Thamnophis sirtalis) Pennsylvania, USA, July.
01456565
John Cancalosi / Timber Rattlesnakes (Crotalus horridus) gravid females basking with gravid Common garter snake (Thamnophis sirtalis) Pennsylvania, USA, July.
Timber rattlesnakes (Crotalus horridus) adult females and newborn young, Pennsylvania, USA, September.
01456564
John Cancalosi / Timber rattlesnakes (Crotalus horridus) adult females and newborn young, Pennsylvania, USA, September.
Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Common gartersnake, (Thamnophis sirtalis) also visible in the group, Pennsylvania, USA, July.
01456562
John Cancalosi / Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Common gartersnake, (Thamnophis sirtalis) also visible in the group, Pennsylvania, USA, July.
Timber rattlesnakes (Crotalus horridus) and Common gartersnake (Thamnophis sirtalis) gravid females, Pennsylvania, USA, July.
01456567
John Cancalosi / Timber rattlesnakes (Crotalus horridus) and Common gartersnake (Thamnophis sirtalis) gravid females, Pennsylvania, USA, July.
Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Pennsylvania, USA, July.
01456570
John Cancalosi / Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Pennsylvania, USA, July.
Timber Rattlesnakes (Crotalus horridus) gravid females basking with Common garter snake (Thanophis sirtalis) Pennsylvania, USA, July.
01456569
John Cancalosi / Timber Rattlesnakes (Crotalus horridus) gravid females basking with Common garter snake (Thanophis sirtalis) Pennsylvania, USA, July.
Timber rattlesnakes (Crotalus horridus) adult females and newborn young, Pennsylvania, USA, September.
01456572
John Cancalosi / Timber rattlesnakes (Crotalus horridus) adult females and newborn young, Pennsylvania, USA, September.
Timber Rattlesnakes (Crotalus horridus) new-born young with adult, Pennsylvania, USA, September.
01456578
John Cancalosi / Timber Rattlesnakes (Crotalus horridus) new-born young with adult, Pennsylvania, USA, September.
Timber Rattlesnakes (Crotalus horridus) new-born young with adult, Pennsylvania, USA, September.
01456577
John Cancalosi / Timber Rattlesnakes (Crotalus horridus) new-born young with adult, Pennsylvania, USA, September.
Timber rattlesnakes (Crotalus horridus) gravid females basking with Common gartersnake (Thamnophis sirtalis) also visible in the group. Pennsylvania, USA, July.
01456566
John Cancalosi / Timber rattlesnakes (Crotalus horridus) gravid females basking with Common gartersnake (Thamnophis sirtalis) also visible in the group. Pennsylvania, USA, July.
Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Pennsylvania, USA.
01448127
John Cancalosi / Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Pennsylvania, USA.
Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Pennsylvania, USA.
01448126
John Cancalosi / Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Pennsylvania, USA.
Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Common gartersnake (Thamnophis sirtalis) also visible in the group. Pennsylvania, USA.
01448128
John Cancalosi / Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Common gartersnake (Thamnophis sirtalis) also visible in the group. Pennsylvania, USA.
Western Diamond-backed Rattlesnakes (Crotalus atrox) emerging from winter hibernation site, Sonoran desert, Arizona, USA March
01436617
John Cancalosi / Western Diamond-backed Rattlesnakes (Crotalus atrox) emerging from winter hibernation site, Sonoran desert, Arizona, USA March
Western diamondback rattlesnake (Crotalus atrox) Rio Grande Valley, Texas, USA, October. meetyourneighbours.net project
01376182
MYN / Seth Patterson / Western diamondback rattlesnake (Crotalus atrox) Rio Grande Valley, Texas, USA, October. meetyourneighbours.net project
Mexican Lancehead Rattlesnake (Crotalus polystictus) captive from Mexico
01395928
Michael D. Kern / Mexican Lancehead Rattlesnake (Crotalus polystictus) captive from Mexico
Twin-spotted rattlesnake (Crotalus pricei) Arizona, USA
01369264
Barry Mansell / Twin-spotted rattlesnake (Crotalus pricei) Arizona, USA
Timber rattlesnakes (Crotalus horridus) black and yellow morphs, near hibernation den, Northern Georgia, USA, manipulated
01365591
Pete Oxford / Timber rattlesnakes (Crotalus horridus) black and yellow morphs, near hibernation den, Northern Georgia, USA, manipulated
Timber rattlesnakes (Crotalus horridus) black and yellow morphs near hibernation den, Northern Georgia, USA, manipulated
01365587
Pete Oxford / Timber rattlesnakes (Crotalus horridus) black and yellow morphs near hibernation den, Northern Georgia, USA, manipulated
Prairie Rattlesnake (Crotalus viridis viridis) coiled and ready to strike on the plains of western Kansas, USA.
01338790
Visuals Unlimited / Prairie Rattlesnake (Crotalus viridis viridis) coiled and ready to strike on the plains of western Kansas, USA.
Western Diamondback Rattlesnake (Crotalus atrox).
01327628
Visuals Unlimited / Western Diamondback Rattlesnake (Crotalus atrox).
Western Diamondback Rattlesnake (Crotalus atrox).
01327629
Visuals Unlimited / Western Diamondback Rattlesnake (Crotalus atrox).
Mojave Rattlesnake (Crotalus scutulatus scutulatus).
01327631
Visuals Unlimited / Mojave Rattlesnake (Crotalus scutulatus scutulatus).
Panamint rattlesnake (Crotalus mitchelli stephensi) close-up of rattling tail, Panamint mountains, Death valley NP, California, USA. Controlled conditions.
01324476
Daniel Heuclin / Panamint rattlesnake (Crotalus mitchelli stephensi) close-up of rattling tail, Panamint mountains, Death valley NP, California, USA. Controlled conditions.
Panamint rattlesnake (Crotalus mitchelli stephensi) 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.
Western diamondback rattlesnake (Crotalus atrox) coiled on itself, flicking tongue, Organ pipe cactus NP, Arizona, USA. Controlled conditions.
01324474
Daniel Heuclin / Western diamondback rattlesnake (Crotalus atrox) coiled on itself, flicking tongue, Organ pipe cactus NP, Arizona, USA. Controlled conditions.
Sidewinder rattlesnake (Crotalus cerates) moving over wood, Sonoran desert, Arizona, USA
01323025
John Cancalosi / Sidewinder rattlesnake (Crotalus cerates) moving over wood, Sonoran desert, Arizona, USA
Speckled Rattlesnake (Crotalus mitchelli) Peach Phase, Arizona, USA
01313100
Barry Mansell / Speckled Rattlesnake (Crotalus mitchelli) Peach Phase, Arizona, USA
Western Diamondback Rattlesnake (Crotalus atrox)  striking, Arizona, USA
01313104
Barry Mansell / Western Diamondback Rattlesnake (Crotalus atrox) striking, Arizona, USA
Mohave Rattlesnake (Crotalus scutulatus) coiled up on sand dunes, Arizona, USA
01313094
Barry Mansell / Mohave Rattlesnake (Crotalus scutulatus) coiled up on sand dunes, Arizona, USA
Mohave Rattlesnake (Crotalus scutulatus) coiled under purple flowers,  Arizona, USA
01313093
Barry Mansell / Mohave Rattlesnake (Crotalus scutulatus) coiled under purple flowers, Arizona, USA
Timber Rattlesnake (Crotalus horridus) hiding under rock,  USA
01325093
John Cancalosi / Timber Rattlesnake (Crotalus horridus) hiding under rock, USA
Timber Rattlesnakes (Crotalus horridus) hiding under rock,  USA
01325092
John Cancalosi / Timber Rattlesnakes (Crotalus horridus) hiding under rock, USA
Timber Rattlesnake (Crotalus horridus) hiding under rock,  USA
01325091
John Cancalosi / Timber Rattlesnake (Crotalus horridus) hiding under rock, USA
Timber Rattlesnake (Crotalus horridus) hiding under rock,  USA
01325090
John Cancalosi / Timber Rattlesnake (Crotalus horridus) hiding under rock, USA
Banded rock rattlesnake (Crotalus lepidus klauberi) portrait, Chiricahua mountains, Arizona, USA,  Controlled conditions.
01312660
Daniel Heuclin / Banded rock rattlesnake (Crotalus lepidus klauberi) portrait, Chiricahua mountains, Arizona, USA, Controlled conditions.
Rock rattlesnake (Crotalus lepidus klauberi) with tail rattle raised in defensive / aggressive posture 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
Twin-spotted Rattlesnake (Crotalus pricei)  biologists painting tail for indentification purposes, during scentific study. Arizona, USA
01307332
John Cancalosi / Twin-spotted Rattlesnake (Crotalus pricei) biologists painting tail for indentification purposes, during scentific study. Arizona, USA
Black-tailed Rattlesnake (Crotalus molossus)  "tasting" the air with its tongue, Chiricahua Mountains, Arizona, USA
01307330
John Cancalosi / Black-tailed Rattlesnake (Crotalus molossus) "tasting" the air with its tongue, Chiricahua Mountains, Arizona, USA
Northern pacific rattlesnake (Crotalus oreganus oreganus) on road, California, USA
01295816
Michael D. Kern / Northern pacific rattlesnake (Crotalus oreganus oreganus) on road, California, USA
Western diamondback rattlesnake (Crotalus atrox) in habitat, USA
01295785
Michael D. Kern / Western diamondback rattlesnake (Crotalus atrox) in habitat, USA
Western diamondback rattlesnake (Crotalus atrox) with tongue and rattle exposed, USA
01295784
Michael D. Kern / Western diamondback rattlesnake (Crotalus atrox) with tongue and rattle exposed, USA
Banded rock rattlesnake (Crotalus lepidus klauberi) captive, from USA
01295766
Michael D. Kern / Banded rock rattlesnake (Crotalus lepidus klauberi) captive, from USA
Black-tailed rattlesnake (Crotalus molossus) coiled with tongue exposed and ready to strike, rattling tail, 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