Central Andes Oldfield Mouse vs Gray-backed Tern

Thomasomys contradictus compared with Onychoprion lunatus

Key Differences

• Central Andes Oldfield Mouse is Data Deficient while Gray-backed Tern is Least Concern.

Taxonomic Classification

Rank	Central Andes Oldfield Mouse	Gray-backed Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Cricetidae	Laridae
Genus	Thomasomys	Onychoprion
Species	Thomasomys contradictus	Onychoprion lunatus

Evolutionary Relationship

Central Andes Oldfield Mouse and Gray-backed Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Central Andes Oldfield Mouse

DD — Data Deficient

Gray-backed Tern

LC — Least Concern

Physical Characteristics

Attribute	Central Andes Oldfield Mouse	Gray-backed Tern
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.

Gray-backed Tern

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.

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.