Big-eared opossum vs Ray's Knotgrass

Didelphis aurita compared with Polygonum oxyspermum

Key Differences

• Big-eared opossum is Least Concern while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Big-eared opossum	Ray's Knotgrass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Didelphimorphia (Didelphimorphia)	Caryophyllales (Caryophyllales)
Family	Didelphidae	Polygonaceae
Genus	Didelphis	Polygonum
Species	Didelphis aurita	Polygonum oxyspermum

Conservation Status

Big-eared opossum

LC — Least Concern

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Big-eared opossum	Ray's Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ray's Knotgrass

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.