Carriker’s Speckled Tree-rat vs Variable Seedeater

Pattonomys carrikeri compared with Sporophila corvina

Key Differences

• Carriker’s Speckled Tree-rat is Data Deficient while Variable Seedeater is Least Concern.

Taxonomic Classification

Rank	Carriker’s Speckled Tree-rat	Variable Seedeater
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Echimyidae	Thraupidae
Genus	Pattonomys	Sporophila
Species	Pattonomys carrikeri	Sporophila corvina

Evolutionary Relationship

Carriker’s Speckled Tree-rat and Variable Seedeater share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Carriker’s Speckled Tree-rat

DD — Data Deficient

Variable Seedeater

LC — Least Concern

Physical Characteristics

Attribute	Carriker’s Speckled Tree-rat	Variable Seedeater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Carriker’s Speckled Tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

Variable Seedeater

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

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.