Amazonian manatee vs Common Tern

Trichechus inunguis compared with Sterna hirundo

Key Differences

• Amazonian manatee is Vulnerable while Common Tern is Endangered.

Taxonomic Classification

Rank	Amazonian manatee	Common Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Sirenia (Sirenia)	Charadriiformes (Charadriiformes)
Family	Trichechidae	Laridae
Genus	Trichechus	Sterna
Species	Trichechus inunguis	Sterna hirundo

Evolutionary Relationship

Amazonian manatee and Common Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazonian manatee

VU — Vulnerable

Common Tern

EN — Endangered

Physical Characteristics

Attribute	Amazonian manatee	Common Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian manatee

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.

Common Tern

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.

Amazonian manatee

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.

Common Tern

Common Tern (Sterna hirundo) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador