Amazonian Marsh Rat vs Black Ash

Holochilus sciureus compared with Fraxinus nigra

Key Differences

• Amazonian Marsh Rat is Least Concern while Black Ash is Critically Endangered.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Black Ash
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Lamiales (Lamiales)
Family	Cricetidae	Oleaceae
Genus	Holochilus	Fraxinus
Species	Holochilus sciureus	Fraxinus nigra

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Black Ash

CR — Critically Endangered

Physical Characteristics

Attribute	Amazonian Marsh Rat	Black Ash
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Black Ash

Habitat

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

Range

Distributed across Canada and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Black Ash

The Black Ash (Fraxinus nigra) 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.