Big-eared opossum vs Small Adder's-Tongue

Didelphis aurita compared with Ophioglossum azoricum

Key Differences

• Big-eared opossum is Least Concern while Small Adder's-Tongue is Critically Endangered.

Taxonomic Classification

Rank	Big-eared opossum	Small Adder's-Tongue
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Didelphimorphia (Didelphimorphia)	Ophioglossales (Ophioglossales)
Family	Didelphidae	Ophioglossaceae
Genus	Didelphis	Ophioglossum
Species	Didelphis aurita	Ophioglossum azoricum

Conservation Status

Big-eared opossum

LC — Least Concern

Small Adder's-Tongue

CR — Critically Endangered

Physical Characteristics

Attribute	Big-eared opossum	Small Adder's-Tongue
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Small Adder's-Tongue

Habitat

Inhabits boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, Iceland, Norway, Portugal, and Sweden. Currently classified as Critically 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.