maracanã-guaçu vs trinta-réis-boreal / gaivina

Ara severus compared with Sterna hirundo

Key Differences

• maracanã-guaçu is Least Concern while trinta-réis-boreal / gaivina is Endangered.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

maracanã-guaçu

LC — Least Concern

trinta-réis-boreal / gaivina

EN — Endangered

Physical Characteristics

Attribute	maracanã-guaçu	trinta-réis-boreal / gaivina
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

maracanã-guaçu

Habitat

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

Range

Widely distributed across Europe (Belgium, Norway), North America (United States), and South America (Colombia, Ecuador, Venezuela).

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.

maracanã-guaçu

A maracanã-do-Orinoco (Ara severus) é uma arara de médio porte do gênero Ara, habitante de florestas tropicais e savanas arborizadas da América do Sul, do Panamá ao Brasil central. Possui plumagem verde com testa castanha, asas azuis e cauda avermelhada. Vive em grupos barulhentos e se alimenta de frutos, sementes e flores. Nidifica em ocos de árvores. É frequentemente mantida como ave de gaiola, sendo comercializada ilegalmente.

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.

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway 🇺🇸 United States 🇻🇪 Venezuela