---
title: "Ridge-nosed Rattlesnake"
description: "Crotalus willardi — Reptiles. Crotalus willardi est une espèce de serpents de la famille des Viperidae."
canonical: https://animalchecklist.com/fr/animal/ridge-nosed-rattlesnake
last_updated: 2026-09-20
---

# Ridge-nosed Rattlesnake

> Crotalus willardi — Reptiles. Crotalus willardi est une espèce de serpents de la famille des Viperidae.

- Scientific name: *Crotalus willardi*
- Category: `reptiles` (Reptiles)
- Habitats: `mountains` (Montagnes)
- iNaturalist observations: 609
- Wikidata: [Q1517877](https://www.wikidata.org/wiki/Q1517877)
- iNaturalist taxon: [30705](https://www.inaturalist.org/taxa/30705)

## Names

- en: Ridge-nosed Rattlesnake
- de: Willard-Klapperschlange
- es: Cascabel de nariz surcada de la Sierra Madre Occidental
- pl: Grzechotnik graniopyski

## Countries with the most observations

US (372), MX (136)

## Summary

Crotalus willardi est une espèce de serpents de la famille des Viperidae.

Text: Wikipedia (fr), CC BY-SA 4.0 — https://fr.wikipedia.org/wiki/Crotalus_willardi

## Photo

![Ridge-nosed Rattlesnake](https://animalchecklist.com/img/animals/ridge-nosed-rattlesnake/medium.jpg)

Photo: Alejandro Sigala Chávez · CC0 · inaturalist — https://www.inaturalist.org/observations/194698537

## Machine access

`GET https://animalchecklist.com/api/v1/animals/ridge-nosed-rattlesnake?lang=fr` — see [openapi.json](https://animalchecklist.com/openapi.json).