Central Andes Oldfield Mouse vs Corn Crake

Thomasomys contradictus compared with Crex crex

Key Differences

• Central Andes Oldfield Mouse is Data Deficient while Corn Crake is Critically Endangered.

Taxonomic Classification

Rank	Central Andes Oldfield Mouse	Corn Crake
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Gruiformes (Gruiformes)
Family	Cricetidae	Rallidae
Genus	Thomasomys	Crex
Species	Thomasomys contradictus	Crex crex

Evolutionary Relationship

Central Andes Oldfield Mouse and Corn Crake share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Central Andes Oldfield Mouse

DD — Data Deficient

Corn Crake

CR — Critically Endangered

Physical Characteristics

Attribute	Central Andes Oldfield Mouse	Corn Crake
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Central Andes Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.

Central Andes Oldfield Mouse

The Central Andes Oldfield Mouse (Thomasomys contradictus) is a species in the genus Thomasomys. It is currently classified as Data Deficient on the IUCN Red List. Found in Colombia.

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.