Big-eared opossum vs Swan-feather Dwarf

Didelphis aurita compared with Elachista argentella

Key Differences

• Big-eared opossum is Least Concern while Swan-feather Dwarf is Endangered.

Taxonomic Classification

Rank	Big-eared opossum	Swan-feather Dwarf
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Didelphimorphia (Didelphimorphia)	Lepidoptera (Butterflies & Moths)
Family	Didelphidae	Elachistidae
Genus	Didelphis	Elachista
Species	Didelphis aurita	Elachista argentella

Evolutionary Relationship

Big-eared opossum and Swan-feather Dwarf share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big-eared opossum

LC — Least Concern

Swan-feather Dwarf

EN — Endangered

Physical Characteristics

Attribute	Big-eared opossum	Swan-feather Dwarf
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Swan-feather Dwarf

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, 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.