Corn Crake vs Heavy-browed Mouse Opossum

Crex crex compared with Marmosa andersoni

Key Differences

• Corn Crake is Critically Endangered while Heavy-browed Mouse Opossum is Data Deficient.

Taxonomic Classification

Rank	Corn Crake	Heavy-browed Mouse Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Gruiformes (Gruiformes)	Didelphimorphia (Didelphimorphia)
Family	Rallidae	Didelphidae
Genus	Crex	Marmosa
Species	Crex crex	Marmosa andersoni

Evolutionary Relationship

Corn Crake and Heavy-browed Mouse Opossum share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Corn Crake

CR — Critically Endangered

Heavy-browed Mouse Opossum

DD — Data Deficient

Physical Characteristics

Attribute	Corn Crake	Heavy-browed Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Heavy-browed Mouse Opossum

Habitat

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.