Narrow-headed Vole vs Thick-billed Murre

Microtus gregalis compared with Uria lomvia

Key Differences

• Narrow-headed Vole is Least Concern while Thick-billed Murre is Endangered.

Taxonomic Classification

Rank	Narrow-headed Vole	Thick-billed Murre
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Cricetidae	Alcidae
Genus	Microtus	Uria
Species	Microtus gregalis	Uria lomvia

Evolutionary Relationship

Narrow-headed Vole and Thick-billed Murre share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Narrow-headed Vole

LC — Least Concern

Thick-billed Murre

EN — Endangered

Physical Characteristics

Attribute	Narrow-headed Vole	Thick-billed Murre
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Thick-billed Murre

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.