Amazonian Marsh Rat vs Brown Ear

Holochilus sciureus compared with Otidea cochleata

Key Differences

• Amazonian Marsh Rat is Least Concern while Brown Ear is Vulnerable.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Brown Ear
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Pezizomycetes (Pezizomycetes)
Order	Rodentia (Rodents)	Pezizales (Pezizales)
Family	Cricetidae	Otideaceae
Genus	Holochilus	Otidea
Species	Holochilus sciureus	Otidea cochleata

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Brown Ear

VU — Vulnerable

Physical Characteristics

Attribute	Amazonian Marsh Rat	Brown Ear
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.

Brown Ear

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Vulnerable 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.

Brown Ear

The Brown Ear (Otidea cochleata) is a species in the genus Otidea. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.