Big-eared opossum vs Gray-headed Chickadee

Didelphis aurita compared with Poecile cinctus

Key Differences

• Big-eared opossum is Least Concern while Gray-headed Chickadee is Near Threatened.

Taxonomic Classification

Rank	Big-eared opossum	Gray-headed Chickadee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Didelphimorphia (Didelphimorphia)	Passeriformes (Songbirds)
Family	Didelphidae	Paridae
Genus	Didelphis	Poecile
Species	Didelphis aurita	Poecile cinctus

Evolutionary Relationship

Big-eared opossum and Gray-headed Chickadee share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big-eared opossum

LC — Least Concern

Gray-headed Chickadee

NT — Near Threatened

Physical Characteristics

Attribute	Big-eared opossum	Gray-headed Chickadee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Gray-headed Chickadee

Habitat

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

Range

Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.