Common Tern vs Eurasian Sparrowhawk

Sterna hirundo compared with Accipiter nisus

Key Differences

• Common Tern is Endangered while Eurasian Sparrowhawk is Least Concern.

Taxonomic Classification

Rank	Common Tern	Eurasian Sparrowhawk
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Charadriiformes (Charadriiformes)	Accipitriformes (Hawks & Eagles)
Family	Laridae	Accipitridae (Hawks & Eagles)
Genus	Sterna	Accipiter
Species	Sterna hirundo	Accipiter nisus

Evolutionary Relationship

Common Tern and Eurasian Sparrowhawk share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Common Tern

EN — Endangered

Eurasian Sparrowhawk

LC — Least Concern

Physical Characteristics

Attribute	Common Tern	Eurasian Sparrowhawk
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Eurasian Sparrowhawk

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden.

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.

Eurasian Sparrowhawk

Eurasian Sparrowhawk (Accipiter nisus) 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.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden