---
title: "Queretaran Dusky Rattlesnake"
description: "Crotalus aquilus — Répteis. Crotalus aquilus, known as the Querétaro dusky rattlesnake or Queretaran dusky rattlesnake, is a pit viper species found in the highlands of central Mexico."
canonical: https://animalchecklist.com/pt/animal/queretaran-dusky-rattlesnake
last_updated: 2026-09-20
---

# Queretaran Dusky Rattlesnake

> Crotalus aquilus — Répteis. Crotalus aquilus, known as the Querétaro dusky rattlesnake or Queretaran dusky rattlesnake, is a pit viper species found in the highlands of central Mexico.

- Scientific name: *Crotalus aquilus*
- Category: `reptiles` (Répteis)
- Habitats: `mountains` (Montanhas)
- iNaturalist observations: 746
- Wikidata: [Q141653](https://www.wikidata.org/wiki/Q141653)
- iNaturalist taxon: [73723](https://www.inaturalist.org/taxa/73723)

## Names

- en: Queretaran Dusky Rattlesnake
- de: Queretaro-Klapperschlange
- es: Cascabel obscura de Querétaro
- nl: Querétaro dusky rattlesnake

## Countries with the most observations

MX (668)

## Summary

Crotalus aquilus, known as the Querétaro dusky rattlesnake or Queretaran dusky rattlesnake, is a pit viper species found in the highlands of central Mexico. Like all other pit vipers, it is venomous. No subspecies are currently recognized. The specific name, aquilus, is Latin for "eagle" and refers to the high altitude at which this species is found.

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

## Photo

![Queretaran Dusky Rattlesnake](https://animalchecklist.com/img/animals/queretaran-dusky-rattlesnake/medium.jpg)

Photo: Alexis Luna Padilla · CC0 · inaturalist — https://www.inaturalist.org/observations/324893247

## Machine access

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