Big-eared opossum vs Red Siskin

Didelphis aurita compared with Spinus cucullatus

Key Differences

• Big-eared opossum is Least Concern while Red Siskin is Endangered.

Taxonomic Classification

Rank	Big-eared opossum	Red Siskin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Didelphimorphia (Didelphimorphia)	Passeriformes (Songbirds)
Family	Didelphidae	Fringillidae
Genus	Didelphis	Spinus
Species	Didelphis aurita	Spinus cucullatus

Evolutionary Relationship

Big-eared opossum and Red Siskin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big-eared opossum

LC — Least Concern

Red Siskin

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Red Siskin

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Norway, and Venezuela. 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.