Arizona Cotton Rat vs Carriker’s Speckled Tree-rat

Sigmodon arizonae compared with Pattonomys carrikeri

Key Differences

• Arizona Cotton Rat is Least Concern while Carriker’s Speckled Tree-rat is Data Deficient.

Taxonomic Classification

Rank	Arizona Cotton Rat	Carriker’s Speckled Tree-rat
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Rodentia (啮齿目)	Rodentia (啮齿目)
Family	Cricetidae	Echimyidae
Genus	Sigmodon	Pattonomys
Species	Sigmodon arizonae	Pattonomys carrikeri

Evolutionary Relationship

Arizona Cotton Rat and Carriker’s Speckled Tree-rat share a common ancestor at the Order level: Rodentia. (啮齿目)

Conservation Status

Arizona Cotton Rat

LC — Least Concern

Carriker’s Speckled Tree-rat

DD — Data Deficient

Physical Characteristics

Attribute	Arizona Cotton Rat	Carriker’s Speckled Tree-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arizona Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Carriker’s Speckled Tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

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.

Carriker’s Speckled Tree-rat

The Carriker’s Speckled Tree-rat (Pattonomys carrikeri) is a species in the genus Pattonomys. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.