---
title: "Western Ring-tailed Possum"
description: "Pseudocheirus occidentalis — Mammiferi. The western ringtail possum or ngwayir (Pseudocheirus occidentalis) is a species of possum found in a small area of Southwest Australia."
canonical: https://animalchecklist.com/it/animal/western-ring-tailed-possum
last_updated: 2026-09-20
---

# Western Ring-tailed Possum

> Pseudocheirus occidentalis — Mammiferi. The western ringtail possum or ngwayir (Pseudocheirus occidentalis) is a species of possum found in a small area of Southwest Australia.

- Scientific name: *Pseudocheirus occidentalis*
- Category: `mammals` (Mammiferi)
- Habitats: `forest` (Foresta)
- iNaturalist observations: 829
- Wikidata: [Q28044909](https://www.wikidata.org/wiki/Q28044909)
- iNaturalist taxon: [74968](https://www.inaturalist.org/taxa/74968)

## Names

- en: Western Ring-tailed Possum
- de: Westlicher Ringelschwanzbeutler
- es: Zarigüeya de cola anillada occidental

## Countries with the most observations

AU (659)

## Summary

The western ringtail possum or ngwayir (Pseudocheirus occidentalis) is a species of possum found in a small area of Southwest Australia. They are a cat-sized marsupial with a stocky build, dark greyish-brown fur, pale underparts and a long prehensile tail with a whitish tip. Ngwayir forage at night through the upper canopy of trees, feeding on young leaves, flowers and fruit, especially in groves of the weeping peppermint Agonis flexuosa. Breeding occurs mainly during the winter, the single juvenile emerging from the pouch after about three months. The population has declined by more than 95% since British settlement…

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

## Photo

![Western Ring-tailed Possum](https://animalchecklist.com/img/animals/western-ring-tailed-possum/medium.jpg)

Photo: bitsandbugs · CC0 · inaturalist — https://www.inaturalist.org/observations/344167575

## Machine access

`GET https://animalchecklist.com/api/v1/animals/western-ring-tailed-possum?lang=it` — see [openapi.json](https://animalchecklist.com/openapi.json).