Amazonian manatee vs Lesser Scaup

Trichechus inunguis compared with Aythya affinis

Key Differences

• Amazonian manatee is Vulnerable while Lesser Scaup is Least Concern.

Taxonomic Classification

Rank	Amazonian manatee	Lesser Scaup
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Sirenia (Sirenia)	Anseriformes (Anseriformes)
Family	Trichechidae	Anatidae
Genus	Trichechus	Aythya
Species	Trichechus inunguis	Aythya affinis

Evolutionary Relationship

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

Conservation Status

Amazonian manatee

VU — Vulnerable

Lesser Scaup

LC — Least Concern

Physical Characteristics

Attribute	Amazonian manatee	Lesser Scaup
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.

Lesser Scaup

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

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.

Lesser Scaup

Lesser Scaup (Aythya affinis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador