Sterne arctique vs Mentawai Squirrel

Sterna paradisaea compared with Callosciurus melanogaster

Key Differences

• Sterne arctique is Least Concern while Mentawai Squirrel is Vulnerable.

Taxonomic Classification

Rank	Sterne arctique	Mentawai Squirrel
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (oiseau)	Mammalia (mammifères)
Order	Charadriiformes (Charadriiformes)	Rodentia (Rodents)
Family	Laridae	Sciuridae (Squirrels)
Genus	Sterna	Callosciurus
Species	Sterna paradisaea	Callosciurus melanogaster

Evolutionary Relationship

Sterne arctique and Mentawai Squirrel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Sterne arctique

LC — Least Concern

Mentawai Squirrel

VU — Vulnerable

Physical Characteristics

Attribute	Sterne arctique	Mentawai Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Sterne arctique

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).

Mentawai Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Sterne arctique

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.