VU

Peromyscus dickeyi

Local name: Dickey’s Deermouse

Stable

Overview

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

Peromyscus dickeyi faces severe threats from habitat destruction due to agricultural expansion and urban development on San Pedro Nolasco Island. The species' extremely limited range makes it vulnerable to introduced predators, particularly feral cats and rats that compete for resources and prey on juveniles. Climate change poses additional risks through altered precipitation patterns affecting the island's fragile desert scrub ecosystem.

Threat summary

Habitat

This endemic deer mouse inhabits the arid desert scrub and rocky outcrops of San Pedro Nolasco Island in the Gulf of California, Mexico. The species occupies areas with sparse vegetation dominated by cacti and drought-resistant shrubs, typically at elevations below 300 meters.

Rocky areas· majorMarine neritic· major

Frequently asked questions

Why is Dickey’s Deermouse classified as Vulnerable?
Dickey’s Deermouse is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Peromyscus dickeyi faces severe threats from habitat destruction due to agricultural expansion and urban development on San Pedro Nolasco Island. The species' extremely limited range makes it vulnerable to introduced predators, particularly feral cats and rats that compete for resources and prey on juveniles. Climate change poses additional risks through altered precipitation patterns affecting the island's fragile desert scrub ecosystem.
Where does Dickey’s Deermouse live?
Dickey’s Deermouse occurs in Mexico. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Dickey’s Deermouse?
The main threats to Dickey’s Deermouse are 12.1, 8.1, ai-1, and ai-2. The full IUCN-classified threat record for this species is detailed on the species page.

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