Giant Otter vs Long-tailed Dwarf Hamster

Pteronura brasiliensis compared with Cricetulus longicaudatus

Key Differences

• Giant Otter is Endangered while Long-tailed Dwarf Hamster is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Long-tailed Dwarf Hamster
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)	Cricetidae
Genus	Pteronura	Cricetulus
Species	Pteronura brasiliensis	Cricetulus longicaudatus

Evolutionary Relationship

Giant Otter and Long-tailed Dwarf Hamster share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Giant Otter

EN — Endangered

Long-tailed Dwarf Hamster

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Long-tailed Dwarf Hamster
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.

Long-tailed Dwarf Hamster

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.