Речная крачка vs Кергеленская крачка

Sterna hirundo compared with Sterna virgata

Key Differences

Речная крачка is Endangered while Кергеленская крачка is Near Threatened.

Taxonomic Classification

Rank	Речная крачка	Кергеленская крачка
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class same	Aves (птицы)	Aves (птицы)
Order same	Charadriiformes (ржанкообразные)	Charadriiformes (ржанкообразные)
Family same	Laridae	Laridae
Genus same	Sterna	Sterna
Species	Sterna hirundo	Sterna virgata

Evolutionary Relationship

Речная крачка and Кергеленская крачка share a common ancestor at the Genus level: Sterna.

Просмотреть Genus: Sterna

Conservation Status

Речная крачка

EN — Endangered

Кергеленская крачка

NT — Near Threatened

Physical Characteristics

Attribute	Речная крачка	Кергеленская крачка
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Речная крачка

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.

Кергеленская крачка

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Речная крачка

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.