---
title: "Yellow-nosed Cotton Rat"
description: "Sigmodon ochrognathus — Mammals. The yellow-nosed cotton rat (Sigmodon ochrognathus) is a species of rodent in the family Cricetidae."
canonical: https://animalchecklist.com/animal/yellow-nosed-cotton-rat
last_updated: 2026-09-20
---

# Yellow-nosed Cotton Rat

> Sigmodon ochrognathus — Mammals. The yellow-nosed cotton rat  (Sigmodon ochrognathus) is a species of rodent in the family Cricetidae.

- Scientific name: *Sigmodon ochrognathus*
- Category: `mammals` (Mammals)
- Habitats: `forest` (Forest), `grassland` (Fields & meadows)
- iNaturalist observations: 113
- Wikidata: [Q1770129](https://www.wikidata.org/wiki/Q1770129)
- iNaturalist taxon: [44904](https://www.inaturalist.org/taxa/44904)

## Names

- en: Yellow-nosed Cotton Rat
- de: Gelbnasen-Baumwollratte
- es: Rata-algodonera nariz amarilla
- pl: Bawełniak żółtonosy

## Countries with the most observations

US (77), MX (3)

## Summary

The yellow-nosed cotton rat  (Sigmodon ochrognathus) is a species of rodent in the family Cricetidae. It is native to Mexico and to the states of Arizona, New Mexico, and Texas in the United States, where it inhabits mountain grassland, scrub, and pinyon-juniper woodland. It is common over much of its wide range and the IUCN considers it to be of "least concern".

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

## Photo

![Yellow-nosed Cotton Rat](https://animalchecklist.com/img/animals/yellow-nosed-cotton-rat/medium.jpg)

Photo: Roger W. Barbour · Public domain · inaturalist — https://www.inaturalist.org/taxa/44904

## Machine access

`GET https://animalchecklist.com/api/v1/animals/yellow-nosed-cotton-rat?lang=en` — see [openapi.json](https://animalchecklist.com/openapi.json).