Big-eared opossum vs

Didelphis aurita compared with Trichormus variabilis

Key Differences

• Big-eared opossum is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	Big-eared opossum
Kingdom	Animalia (Animals)	Bacteria (Bacteria)
Phylum	Chordata (Chordates)	Cyanobacteria (Cyanobacteria)
Class	Mammalia (Mammals)	Cyanobacteriia
Order	Didelphimorphia (Didelphimorphia)	Cyanobacteriales
Family	Didelphidae	Nostocaceae
Genus	Didelphis	Trichormus
Species	Didelphis aurita	Trichormus variabilis

Conservation Status

Big-eared opossum

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	Big-eared opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Big-eared opossum

The Big-eared opossum (Didelphis aurita) is a species in the genus Didelphis. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Trichormus variabilis is a filamentous, nitrogen-fixing cyanobacterium in the family Nostocaceae. It forms heterocysts — specialized nitrogen-fixing cells — within its trichomes and is found in freshwater, soil, and symbiotic associations. Its conservation status is not evaluated.