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...
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John Cancalosi / Western diamondback rattlesnake (Crotalus atrox), defensive rattling, Arizona, USA, April.
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Bence Mate / Western diamond-backed rattlesnake (Crotalus atrox) Texas, USA, April.
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Daniel Heuclin / Western diamondback rattlesnake (Crotalus atrox) tasting air, in habitat, Arizona, USA, October. Controlled conditions
Rolf Nussbaumer / RF- Western Diamondback Rattlesnake (Crotalus atrox), adult in striking pose with rattle raised, in wildflowers. Laredo, Webb County, South Texas, USA. April. (This image may be licensed either as rig...
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Karine Aigner / Western diamondback rattlesnake (Crotalus atrox) portrait, coiled up in evening light. Texas, USA. June.
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Karine Aigner / Western diamondback rattlesnake (Crotalus atrox). Texas, USA. June.
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Karine Aigner / Western diamondback rattlesnake (Crotalus atrox) crossing a track, Texas, USA. June.
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Karine Aigner / Western diamondback rattlesnake (Crotalus atrox) tail rattle. Texas, USA. May.
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Karine Aigner / Western diamondback rattlesnake (Crotalus atrox) coiled up at base of Prickly pear cactus (Opuntia sp). Texas, USA. April.
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Karine Aigner / Western diamondback rattlesnake (Crotalus atrox) coiled up. Texas, USA. April.
