Arctic Tern vs Lesser Pencil-tailed Tree Mouse

Sterna paradisaea compared with Chiropodomys pusillus

Key Differences

• Arctic Tern is Least Concern while Lesser Pencil-tailed Tree Mouse is Data Deficient.

Taxonomic Classification

Rank	Arctic Tern	Lesser Pencil-tailed Tree 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	Muridae (Mice & Rats)
Genus	Sterna	Chiropodomys
Species	Sterna paradisaea	Chiropodomys pusillus

Evolutionary Relationship

Arctic Tern and Lesser Pencil-tailed Tree Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arctic Tern

LC — Least Concern

Lesser Pencil-tailed Tree Mouse

DD — Data Deficient

Physical Characteristics

Attribute	Arctic Tern	Lesser Pencil-tailed Tree Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Tern

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador).

Lesser Pencil-tailed Tree Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arctic Tern

Arctic Tern (Sterna paradisaea) 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.