Sterne pierregarin vs Sterne de Trudeau

Sterna hirundo compared with Sterna trudeaui

Key Differences

• Sterne pierregarin is Endangered while Sterne de Trudeau is Least Concern.

Taxonomic Classification

Rank	Sterne pierregarin	Sterne de Trudeau
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (oiseau)	Aves (oiseau)
Order same	Charadriiformes (Charadriiformes)	Charadriiformes (Charadriiformes)
Family same	Laridae	Laridae
Genus same	Sterna	Sterna
Species	Sterna hirundo	Sterna trudeaui

Evolutionary Relationship

Sterne pierregarin and Sterne de Trudeau share a common ancestor at the Genus level: Sterna.

Conservation Status

Sterne pierregarin

EN — Endangered

Sterne de Trudeau

LC — Least Concern

Physical Characteristics

Attribute	Sterne pierregarin	Sterne de Trudeau
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Sterne pierregarin

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.

Sterne de Trudeau

Habitat

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

Range

Found in Norway.

Sterne pierregarin

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 1 countries:

🇳🇴 Norway