trinta-réis-boreal / gaivina vs açor

Sterna hirundo compared with Accipiter gentilis

Key Differences

• trinta-réis-boreal / gaivina is Endangered while açor is Near Threatened.

Taxonomic Classification

Rank	trinta-réis-boreal / gaivina	açor
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Aves (ave)	Aves (ave)
Order	Charadriiformes (Charadriiformes)	Accipitriformes (Hawks & Eagles)
Family	Laridae	Accipitridae (Hawks & Eagles)
Genus	Sterna	Accipiter
Species	Sterna hirundo	Accipiter gentilis

Evolutionary Relationship

trinta-réis-boreal / gaivina and açor share a common ancestor at the Class level: Aves. (ave)

Conservation Status

trinta-réis-boreal / gaivina

EN — Endangered

açor

NT — Near Threatened

Physical Characteristics

Attribute	trinta-réis-boreal / gaivina	açor
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.

açor

Habitat

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

Range

Found across Europe (7 countries) and North America (United States). 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.

açor

O açor (Accipiter gentilis) é classificado como Quase Ameaçado (NT) na Lista Vermelha da IUCN. Próximo de se qualificar como ameaçado, com populações que podem tornar-se vulneráveis sem ação de conservação.

Shared Countries

Both species can be found in 7 countries:

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