Cozumel Harvest Mouse
CR

Cozumel Harvest Mouse

Reithrodontomys spectabilis

Declining

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Cozumel_harvest_mouse

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

The Cozumel harvest mouse faces severe threats from habitat destruction due to tourism development and infrastructure expansion on Cozumel Island. Hurricane impacts have devastated remaining forest fragments, while introduced predators like cats and rats pose additional pressure on this island endemic. The species' extremely restricted range makes it particularly vulnerable to any environmental disturbance or habitat modification.

Threat summary

Habitat

This species inhabits tropical dry forests and scrubland vegetation on Cozumel Island, Mexico. It prefers dense understory areas with thick leaf litter and fallen logs that provide cover and foraging opportunities.

Forest· major

Conservation measures underway

Site/area protectionResource & habitat protection

Other threatened species in CRICETIDAE

EN

Baker's Small-toothed Harvest Mouse

Reithrodontomys bakeri

Declining
CR

Puebla Deer Mouse

Peromyscus mekisturus

Unknown
San Lorenzo DeermouseCR

San Lorenzo Deermouse

Peromyscus interparietalis

Declining
VU

Monserrat Island Deermouse

Peromyscus caniceps

Stable

Frequently asked questions

Why is Cozumel Harvest Mouse classified as Critically Endangered?
Cozumel Harvest Mouse is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. The Cozumel harvest mouse faces severe threats from habitat destruction due to tourism development and infrastructure expansion on Cozumel Island. Hurricane impacts have devastated remaining forest fragments, while introduced predators like cats and rats pose additional pressure on this island endemic. The species' extremely restricted range makes it particularly vulnerable to any environmental disturbance or habitat modification.
Where does Cozumel Harvest Mouse live?
Cozumel Harvest Mouse occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Cozumel Harvest Mouse?
The main threats to Cozumel Harvest Mouse are 11.4, 5.3, 8.1, and ai-1. The full IUCN-classified threat record for this species is detailed on the species page.

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