Giant Otter vs Spectacled Eider

Pteronura brasiliensis compared with Somateria fischeri

Key Differences

• Giant Otter is Endangered while Spectacled Eider is Not Evaluated.

Taxonomic Classification

Rank	Giant Otter	Spectacled 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 fischeri

Evolutionary Relationship

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

Conservation Status

Giant Otter

EN — Endangered

Spectacled Eider

NE — Not Evaluated

Physical Characteristics

Attribute	Giant Otter	Spectacled 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.

Spectacled Eider

Habitat

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

Range

Distributed across Norway and Sweden.