Comadreja Orejas Negras vs Ánade de Laysán

Didelphis aurita compared with Anas laysanensis

Key Differences

• Comadreja Orejas Negras is Least Concern while Ánade de Laysán is Critically Endangered.

Taxonomic Classification

Rank	Comadreja Orejas Negras	Ánade de Laysán
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (Birds)
Order	Didelphimorphia (Didelphimorphia)	Anseriformes (Anseriformes)
Family	Didelphidae	Anatidae
Genus	Didelphis	Anas
Species	Didelphis aurita	Anas laysanensis

Evolutionary Relationship

Comadreja Orejas Negras and Ánade de Laysán share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Comadreja Orejas Negras

LC — Least Concern

Ánade de Laysán

CR — Critically Endangered

Physical Characteristics

Attribute	Comadreja Orejas Negras	Ánade de Laysán
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Comadreja Orejas Negras

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ánade de Laysán

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Comadreja Orejas Negras

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.

Ánade de Laysán

El Pato de Laysan (Anas laysanensis) está clasificado como En Peligro Crítico (CR) en la Lista Roja de la UICN. Enfrenta un riesgo extremadamente alto de extinción en estado silvestre debido a la grave disminución de su población y la pérdida de hábitat.