trinta-réis-boreal / gaivina vs araracanga

Sterna hirundo compared with Ara macao

Key Differences

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

Taxonomic Classification

Rank	trinta-réis-boreal / gaivina	araracanga
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Aves (ave)	Aves (ave)
Order	Charadriiformes (Charadriiformes)	Psittaciformes (Parrots)
Family	Laridae	Psittacidae (True Parrots)
Genus	Sterna	Ara (Macaws)
Species	Sterna hirundo	Ara macao

Evolutionary Relationship

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

View Class: Aves

Conservation Status

trinta-réis-boreal / gaivina

EN — Endangered

araracanga

LC — Least Concern

Population: ~50.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	trinta-réis-boreal / gaivina	araracanga
Diet	—	Herbivore
Average Lifespan	—	50 years
Average Length	—	85 cm
Average Weight	—	1.0 kg

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.

araracanga

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found across Europe (5 countries) and South America (Colombia, Ecuador, Venezuela). Population trends indicate a declining trajectory in parts of its range.

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.

araracanga

Uma das aves mais vivamente coloridas das Americas, a arara-vermelha (Ara macao) exibe uma plumagem vermelha, amarela e azul com envergaduras que atingem 1 metro. Encontrada em florestas umidas de terras baixas do Mexico a Bolivia, e altamente inteligente, longeva - ate 75 anos - e forma pares permanentes. Percorre longas distancias ate lambedouros de argila onde consome solo rico em minerais para desintoxicar sementes. Classificada como Pouco Preocupante, mas localmente ameacada pela perda de habitat e pelo comercio de animais de estimacao.