Giant Otter vs Spotted Shag

Pteronura brasiliensis compared with Phalacrocorax punctatus

Key Differences

• Giant Otter is Endangered while Spotted Shag is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Spotted Shag
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Suliformes (Suliformes)
Family	Mustelidae (Weasels & Otters)	Phalacrocoracidae
Genus	Pteronura	Phalacrocorax
Species	Pteronura brasiliensis	Phalacrocorax punctatus

Evolutionary Relationship

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

Conservation Status

Giant Otter

EN — Endangered

Spotted Shag

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Spotted Shag
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.

Spotted Shag

Habitat

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

Range

Found in Norway.