Andean White-eared Opossum vs Corn Crake

Didelphis pernigra compared with Crex crex

Key Differences

• Andean White-eared Opossum is Least Concern while Corn Crake is Critically Endangered.

Taxonomic Classification

Rank	Andean White-eared Opossum	Corn Crake
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Didelphimorphia (Didelphimorphia)	Gruiformes (Gruiformes)
Family	Didelphidae	Rallidae
Genus	Didelphis	Crex
Species	Didelphis pernigra	Crex crex

Evolutionary Relationship

Andean White-eared Opossum and Corn Crake share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Andean White-eared Opossum

LC — Least Concern

Corn Crake

CR — Critically Endangered

Physical Characteristics

Attribute	Andean White-eared Opossum	Corn Crake
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Andean White-eared Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Corn Crake

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Andean White-eared Opossum

The Andean White-eared Opossum (Didelphis pernigra) 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.

Corn Crake

Corn Crake (Crex crex) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.