Big-eared opossum vs Buff-breasted Sandpiper

Didelphis aurita compared with Calidris subruficollis

Key Differences

• Big-eared opossum is Least Concern while Buff-breasted Sandpiper is Near Threatened.

Taxonomic Classification

Rank	Big-eared opossum	Buff-breasted Sandpiper
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Didelphimorphia (Didelphimorphia)	Charadriiformes (Charadriiformes)
Family	Didelphidae	Scolopacidae
Genus	Didelphis	Calidris
Species	Didelphis aurita	Calidris subruficollis

Evolutionary Relationship

Big-eared opossum and Buff-breasted Sandpiper share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big-eared opossum

LC — Least Concern

Buff-breasted Sandpiper

NT — Near Threatened

Physical Characteristics

Attribute	Big-eared opossum	Buff-breasted Sandpiper
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Buff-breasted Sandpiper

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela). 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.

Buff-breasted Sandpiper

Buff-breasted Sandpiper (Calidris subruficollis) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.