Arizona Cotton Rat vs Giant Otter

Sigmodon arizonae compared with Pteronura brasiliensis

Key Differences

• Arizona Cotton Rat is Least Concern while Giant Otter is Endangered.

Taxonomic Classification

Rank	Arizona Cotton Rat	Giant Otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Carnivora (Carnivorans)
Family	Cricetidae	Mustelidae (Weasels & Otters)
Genus	Sigmodon	Pteronura
Species	Sigmodon arizonae	Pteronura brasiliensis

Evolutionary Relationship

Arizona Cotton Rat and Giant Otter share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Arizona Cotton Rat

LC — Least Concern

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Arizona Cotton Rat	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arizona Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Arizona Cotton Rat

The Arizona Cotton Rat, Sigmodon arizonae, is a species. It is currently assessed as least concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.