Sterne arctique vs Sterne pierregarin

Sterna paradisaea compared with Sterna hirundo

Key Differences

  • Sterne arctique is Least Concern while Sterne pierregarin is Endangered.

Taxonomic Classification

Rank Sterne arctique Sterne pierregarin
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 paradisaea Sterna hirundo

Evolutionary Relationship

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

Conservation Status

Sterne arctique

LC — Least Concern

Sterne pierregarin

EN — Endangered

Physical Characteristics

Attribute Sterne arctique Sterne pierregarin
Diet
Average Lifespan
Average Length
Average Weight

Habitat & Geographic Range

Sterne arctique

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador).

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 arctique

Arctic Tern (Sterna paradisaea) 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.

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.

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