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| Scientific name: |
Common Name: |
| Crotalus oreganus oreganus |
Northern Pacific Rattlesnake |
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Physical Characteristics |
Length, 20-47 in. (50-120 cm). The ground color can be brown, grey, black, or yellow with large dark blotches with light edges along the back. |
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Geographic Range (USA) |
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| From Canandian British Columbia southward into Oregon, western Idaho, and the northern two-thirds of California in the US. |
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| Habitat |
| scrub areas, prairie, grasslands, chaparral, and forests |
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| Diet |
| Rodents, lizards, and small birds. |
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| Venom |
| Hemorrhagic toxins, resulting in tissue damage and edema. |
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| Remarks |
| Once considered a subspecies of the Crotalus viridis complex. Recent molecular analysis suggests it is a separate species and Douglas et al. (2003) has elevated it to full species status. The Northern Pacific Rattlesnake disposition ranges from passive and inoffensive to quite easily provoked. |
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