Black-tailed Gull vs Central Andes Oldfield Mouse

Larus crassirostris compared with Thomasomys contradictus

Key Differences

• Black-tailed Gull is Least Concern while Central Andes Oldfield Mouse is Data Deficient.

Taxonomic Classification

Rank	Black-tailed Gull	Central Andes Oldfield Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Rodentia (Rodents)
Family	Laridae	Cricetidae
Genus	Larus	Thomasomys
Species	Larus crassirostris	Thomasomys contradictus

Evolutionary Relationship

Black-tailed Gull and Central Andes Oldfield Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-tailed Gull

LC — Least Concern

Central Andes Oldfield Mouse

DD — Data Deficient

Physical Characteristics

Attribute	Black-tailed Gull	Central Andes Oldfield Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-tailed Gull

Habitat

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

Range

Distributed across Norway, Taiwan, and United States.

Central Andes Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Black-tailed Gull

The Black-tailed Gull (Larus crassirostris) is a species in the genus Larus. It is currently classified as Least Concern on the IUCN Red List. Distributed across Norway, Taiwan, and United States.

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.