Sterne pierregarin vs Aigle royal

Sterna hirundo compared with Aquila chrysaetos

Key Differences

• Sterne pierregarin is Endangered while Aigle royal is Near Threatened.

Taxonomic Classification

Rank	Sterne pierregarin	Aigle royal
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (oiseau)	Aves (oiseau)
Order	Charadriiformes (Charadriiformes)	Accipitriformes (Hawks & Eagles)
Family	Laridae	Accipitridae (Hawks & Eagles)
Genus	Sterna	Aquila (True Eagles)
Species	Sterna hirundo	Aquila chrysaetos

Evolutionary Relationship

Sterne pierregarin and Aigle royal share a common ancestor at the Class level: Aves. (oiseau)

Conservation Status

Sterne pierregarin

EN — Endangered

Aigle royal

NT — Near Threatened

Population: ~300.0K

Trend: Stable →

Physical Characteristics

Attribute	Sterne pierregarin	Aigle royal
Diet	—	Carnivore
Average Lifespan	—	30 years
Average Length	—	85 cm
Average Weight	—	5.0 kg

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.

Aigle royal

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Aigle royal

Among the most powerful and widely distributed raptors in the world, golden eagles have wingspans reaching 2.2 meters and inhabit mountainous terrain across the Northern Hemisphere. Supreme aerial hunters, they use soaring flight and steep dives at speeds over 200 km/h to capture rabbits, hares, ground squirrels, and occasionally young deer and foxes. In many cultures they have been central to falconry traditions spanning millennia.

Shared Countries

Both species can be found in 6 countries:

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