Giant Otter vs Gray-footed Spiny-rat

Pteronura brasiliensis compared with Proechimys poliopus

Key Differences

• Giant Otter is Endangered while Gray-footed Spiny-rat is Vulnerable.

Taxonomic Classification

Rank	Giant Otter	Gray-footed Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Carnivora (Carnivorans)	Rodentia (Rodents)
Family	Mustelidae (Weasels & Otters)	Echimyidae
Genus	Pteronura	Proechimys
Species	Pteronura brasiliensis	Proechimys poliopus

Evolutionary Relationship

Giant Otter and Gray-footed Spiny-rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Giant Otter

EN — Endangered

Gray-footed Spiny-rat

VU — Vulnerable

Physical Characteristics

Attribute	Giant Otter	Gray-footed Spiny-rat
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.

Gray-footed Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 1 countries:

🇻🇪 Venezuela