Blue Ash vs Hotson’s Brush-tailed Mouse

Fraxinus quadrangulata compared with Calomyscus hotsoni

Key Differences

• Blue Ash is Critically Endangered while Hotson’s Brush-tailed Mouse is Least Concern.

Taxonomic Classification

Rank	Blue Ash	Hotson’s Brush-tailed Mouse
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Lamiales (Lamiales)	Rodentia (Rodents)
Family	Oleaceae	Calomyscidae
Genus	Fraxinus	Calomyscus
Species	Fraxinus quadrangulata	Calomyscus hotsoni

Conservation Status

Blue Ash

CR — Critically Endangered

Hotson’s Brush-tailed Mouse

LC — Least Concern

Physical Characteristics

Attribute	Blue Ash	Hotson’s Brush-tailed Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue Ash

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found in Canada. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Hotson’s Brush-tailed Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Blue Ash

The Blue Ash (Fraxinus quadrangulata) is a species in the genus Fraxinus. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.