Narrow-headed Vole vs Royal Tern

Microtus gregalis compared with Thalasseus maximus

Taxonomic Classification

Rank	Narrow-headed Vole	Royal 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	Microtus	Thalasseus
Species	Microtus gregalis	Thalasseus maximus

Evolutionary Relationship

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

Conservation Status

Narrow-headed Vole

LC — Least Concern

Royal Tern

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Royal Tern

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, Sweden, and Venezuela.

Royal Tern

Royal Tern (Thalasseus maximus) 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.