Peixe-boi Amazónico vs trinta-réis-boreal / gaivina

Trichechus inunguis compared with Sterna hirundo

Key Differences

• Peixe-boi Amazónico is Vulnerable while trinta-réis-boreal / gaivina is Endangered.

Taxonomic Classification

Rank	Peixe-boi Amazónico	trinta-réis-boreal / gaivina
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (ave)
Order	Sirenia (Sirenia)	Charadriiformes (Charadriiformes)
Family	Trichechidae	Laridae
Genus	Trichechus	Sterna
Species	Trichechus inunguis	Sterna hirundo

Evolutionary Relationship

Peixe-boi Amazónico and trinta-réis-boreal / gaivina share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Peixe-boi Amazónico

VU — Vulnerable

trinta-réis-boreal / gaivina

EN — Endangered

Physical Characteristics

Attribute	Peixe-boi Amazónico	trinta-réis-boreal / gaivina
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Peixe-boi Amazónico

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.

Peixe-boi Amazónico

The Amazonian manatee (Trichechus inunguis) is a species in the genus Trichechus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador