Blue-winged Mountain-Tanager vs Common Tern

Anisognathus somptuosus compared with Sterna hirundo

Key Differences

• Blue-winged Mountain-Tanager is Least Concern while Common Tern is Endangered.

Taxonomic Classification

Rank	Blue-winged Mountain-Tanager	Common Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Passeriformes (Songbirds)	Charadriiformes (Charadriiformes)
Family	Thraupidae	Laridae
Genus	Anisognathus	Sterna
Species	Anisognathus somptuosus	Sterna hirundo

Evolutionary Relationship

Blue-winged Mountain-Tanager and Common Tern share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Blue-winged Mountain-Tanager

LC — Least Concern

Common Tern

EN — Endangered

Physical Characteristics

Attribute	Blue-winged Mountain-Tanager	Common Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue-winged Mountain-Tanager

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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.

Blue-winged Mountain-Tanager

Blue-winged Mountain-Tanager (Anisognathus somptuosus) 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.

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 4 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway 🇻🇪 Venezuela