trinta-réis-boreal / gaivina vs trinta-réis-de-fronte-branca

Sterna hirundo compared with Sterna striata

Key Differences

trinta-réis-boreal / gaivina is Endangered while trinta-réis-de-fronte-branca is Near Threatened.

Taxonomic Classification

Rank	trinta-réis-boreal / gaivina	trinta-réis-de-fronte-branca
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Aves (ave)	Aves (ave)
Order same	Charadriiformes (Charadriiformes)	Charadriiformes (Charadriiformes)
Family same	Laridae	Laridae
Genus same	Sterna	Sterna
Species	Sterna hirundo	Sterna striata

Evolutionary Relationship

trinta-réis-boreal / gaivina and trinta-réis-de-fronte-branca share a common ancestor at the Genus level: Sterna.

View Genus: Sterna

Conservation Status

trinta-réis-boreal / gaivina

EN — Endangered

trinta-réis-de-fronte-branca

NT — Near Threatened

Physical Characteristics

Attribute	trinta-réis-boreal / gaivina	trinta-réis-de-fronte-branca
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

trinta-réis-boreal / gaivina

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.

trinta-réis-de-fronte-branca

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.

trinta-réis-boreal / gaivina

O trinta-réis-comum (Sterna hirundo) está classificado como Em Perigo (EN) na Lista Vermelha da IUCN. Em alto risco de extinção na natureza, com declínio populacional significativo e ameaças contínuas à sobrevivência.