---
title: "Northeastern Marsh Rice Rat"
description: "Oryzomys palustris — Säugetiere. The marsh rice rat (Oryzomys palustris) is a semiaquatic North American rodent in the family Cricetidae."
canonical: https://animalchecklist.com/de/animal/northeastern-marsh-rice-rat
last_updated: 2026-09-20
---

# Northeastern Marsh Rice Rat

> Oryzomys palustris — Säugetiere. The marsh rice rat (Oryzomys palustris) is a semiaquatic North American rodent in the family Cricetidae.

- Scientific name: *Oryzomys palustris*
- Category: `mammals` (Säugetiere)
- Habitats: `freshwater` (See & Fluss)
- iNaturalist observations: 94
- Wikidata: [Q1092084](https://www.wikidata.org/wiki/Q1092084)
- iNaturalist taxon: [44470](https://www.inaturalist.org/taxa/44470)

## Names

- en: Northeastern Marsh Rice Rat
- es: Rata arrocera de pantano
- fr: Rat du riz
- nl: Rijstrat
- pl: Ryżniak błotny

## Countries with the most observations

US (64)

## Summary

The marsh rice rat (Oryzomys palustris) is a semiaquatic North American rodent in the family Cricetidae. It usually occurs in wetland habitats, such as swamps and salt marshes. It is found mostly in the eastern and southern United States, from New Jersey and Kansas south to Florida and northeasternmost Tamaulipas, Mexico; its range previously extended further west and north, where it may have been a commensal in corn-cultivating communities. Weighing about 40 to 80 g (1.4 to 2.8 oz), the marsh rice rat is a medium-sized rodent that resembles the common black and brown rat. The upperparts are generally gray-brown,…

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

## Photo

![Northeastern Marsh Rice Rat](https://animalchecklist.com/img/animals/northeastern-marsh-rice-rat/medium.jpg)

Photo: Kristi Zoebelein · CC0 · inaturalist — https://www.inaturalist.org/observations/133099369

## Machine access

`GET https://animalchecklist.com/api/v1/animals/northeastern-marsh-rice-rat?lang=de` — see [openapi.json](https://animalchecklist.com/openapi.json).