Western Rattlesnake (Crotalus oreganus)
Recent Records
| Taxon | Date | County | State | ||
|---|---|---|---|---|---|
| 1. | Crotalus oreganus helleri | 2025-09-13 | Los Angeles County | CA | US |
| 2. | Crotalus oreganus helleri | 2025-08-30 | Los Angeles County | CA | US |
| 3. | Crotalus oreganus helleri | 2025-08-30 | Los Angeles County | CA | US |
| 4. | Crotalus oreganus helleri | 2025-08-10 | Los Angeles County | CA | US |
| 5. | Crotalus oreganus helleri | 2025-08-09 | Los Angeles County | CA | US |
| 6. | Crotalus oreganus helleri | 2025-08-09 | Los Angeles County | CA | US |
| 7. | Crotalus oreganus helleri | 2025-08-08 | Los Angeles County | CA | US |
| 8. | Crotalus oreganus | 2025-08-04 | Plumas County | CA | US |
| 9. | Crotalus oreganus helleri | 2025-08-02 | Los Angeles County | CA | US |
| 10. | Crotalus oreganus oreganus | 2025-07-29 | Santa Clara County | CA | US |
| 11. | Crotalus oreganus helleri | 2025-07-20 | Los Angeles County | CA | US |
| 12. | Crotalus oreganus helleri | 2025-07-19 | Los Angeles County | CA | US |
| 13. | Crotalus oreganus helleri | 2025-07-12 | Los Angeles County | CA | US |
| 14. | Crotalus oreganus helleri | 2025-07-12 | Los Angeles County | CA | US |
| 15. | Crotalus oreganus helleri | 2025-07-11 | Los Angeles County | CA | US |