trinta-réis-boreal / gaivina vs gaivina-arábica

Sterna hirundo compared with Sterna repressa

Key Differences

trinta-réis-boreal / gaivina is Endangered while gaivina-arábica is Least Concern.

Taxonomic Classification

Rank	trinta-réis-boreal / gaivina	gaivina-arábica
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 repressa

Evolutionary Relationship

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

View Genus: Sterna

Conservation Status

trinta-réis-boreal / gaivina

EN — Endangered

gaivina-arábica

LC — Least Concern

Physical Characteristics

Attribute	trinta-réis-boreal / gaivina	gaivina-arábica
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.

gaivina-arábica

Habitat

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

Range

Found in Norway.

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.