Central Andes Oldfield Mouse vs Marsh frog

Thomasomys contradictus compared with Pelophylax ridibundus

Key Differences

• Central Andes Oldfield Mouse is Data Deficient while Marsh frog is Least Concern.

Taxonomic Classification

Rank	Central Andes Oldfield Mouse	Marsh frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Anura (Frogs & Toads)
Family	Cricetidae	Ranidae
Genus	Thomasomys	Pelophylax
Species	Thomasomys contradictus	Pelophylax ridibundus

Evolutionary Relationship

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

Conservation Status

Central Andes Oldfield Mouse

DD — Data Deficient

Marsh frog

LC — Least Concern

Physical Characteristics

Attribute	Central Andes Oldfield Mouse	Marsh frog
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.

Marsh frog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found across Europe (12 countries).

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.

Marsh frog

Marsh frog (Pelophylax ridibundus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.