Aleutian Tern vs Narrow-headed Vole

Onychoprion aleuticus compared with Microtus gregalis

Key Differences

• Aleutian Tern is Vulnerable while Narrow-headed Vole is Least Concern.

Taxonomic Classification

Rank	Aleutian Tern	Narrow-headed Vole
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	Onychoprion	Microtus
Species	Onychoprion aleuticus	Microtus gregalis

Evolutionary Relationship

Aleutian Tern and Narrow-headed Vole share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Aleutian Tern

VU — Vulnerable

Narrow-headed Vole

LC — Least Concern

Physical Characteristics

Attribute	Aleutian Tern	Narrow-headed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aleutian Tern

Habitat

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

Range

Distributed across Norway and Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Aleutian Tern

The Aleutian Tern (Onychoprion aleuticus) is a species in the genus Onychoprion. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.