Ardilla Listada Oriental vs Common Tern

Tamias striatus compared with Sterna hirundo

Key Differences

• Ardilla Listada Oriental is Least Concern while Common Tern is Endangered.

Taxonomic Classification

Rank	Ardilla Listada Oriental	Common Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Sciuridae (Squirrels)	Laridae
Genus	Tamias	Sterna
Species	Tamias striatus	Sterna hirundo

Evolutionary Relationship

Ardilla Listada Oriental and Common Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Ardilla Listada Oriental

LC — Least Concern

Common Tern

EN — Endangered

Physical Characteristics

Attribute	Ardilla Listada Oriental	Common Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ardilla Listada Oriental

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (7 countries) and North America (United States).

Common Tern

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 9 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Ardilla Listada Oriental

The Ardilla Listada Oriental (Tamias striatus) is a species in the genus Tamias. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Common Tern

Common Tern (Sterna hirundo) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇺🇸 United States