Ridge-nosed Rattlesnake (Crotalus willardi)
Recent Records
| Taxon | Date | County | State | ||
|---|---|---|---|---|---|
| 1. | Crotalus willardi willardi | 2024-09-04 | Pima County | AZ | US |
| 2. | Crotalus willardi willardi | 2024-09-03 | Pima County | AZ | US |
| 3. | Crotalus willardi willardi | 2024-09-03 | Pima County | AZ | US |
| 4. | Crotalus willardi willardi | 2024-09-03 | Pima County | AZ | US |
| 5. | Crotalus willardi willardi | 2024-09-03 | Pima County | AZ | US |
| 6. | Crotalus willardi willardi | 2024-09-01 | Cananea | SO | MX |
| 7. | Crotalus willardi meridionalis | 2024-07-25 | Santiago Papasquiaro | DU | MX |
| 8. | Crotalus willardi silus | 2023-05-29 | Madera | CH | MX |
| 9. | Crotalus willardi willardi | 2023-05-12 | Santa Cruz County | AZ | US |
| 10. | Crotalus willardi meridionalis | 2023-04-26 | Santiago Papasquiaro | DU | MX |
| 11. | Crotalus willardi willardi | 2022-08-01 | Santa Cruz County | AZ | US |
| 12. | Crotalus willardi willardi | 2022-07-31 | Cochise County | AZ | US |
| 13. | Crotalus willardi willardi | 2022-07-30 | Santa Cruz County | AZ | US |
| 14. | Crotalus willardi willardi | 2022-07-30 | Santa Cruz County | AZ | US |
| 15. | Crotalus willardi willardi | 2022-06-27 | Santa Cruz County | AZ | US |