Giant Otter vs King/Common Eider

Pteronura brasiliensis compared with Somateria spectabilis

Key Differences

• Giant Otter is Endangered while King/Common Eider is Not Evaluated.

Taxonomic Classification

Rank	Giant Otter	King/Common Eider
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Anseriformes (Anseriformes)
Family	Mustelidae (Weasels & Otters)	Anatidae
Genus	Pteronura	Somateria
Species	Pteronura brasiliensis	Somateria spectabilis

Evolutionary Relationship

Giant Otter and King/Common Eider share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Giant Otter

EN — Endangered

King/Common Eider

NE — Not Evaluated

Physical Characteristics

Attribute	Giant Otter	King/Common Eider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

King/Common Eider

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.