Alston s Cotton Rat vs Rio Branco Antbird

Sigmodon alstoni compared with Cercomacra carbonaria

Key Differences

• Alston s Cotton Rat is Least Concern while Rio Branco Antbird is Critically Endangered.

Taxonomic Classification

Rank	Alston s Cotton Rat	Rio Branco Antbird
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Cricetidae	Thamnophilidae
Genus	Sigmodon	Cercomacra
Species	Sigmodon alstoni	Cercomacra carbonaria

Evolutionary Relationship

Alston s Cotton Rat and Rio Branco Antbird share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Rio Branco Antbird

CR — Critically Endangered

Physical Characteristics

Attribute	Alston s Cotton Rat	Rio Branco Antbird
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alston s Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Rio Branco Antbird

Habitat

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

Range

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

Alston s Cotton Rat

The Alston s Cotton Rat (Sigmodon alstoni) is a species in the genus Sigmodon. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems. Distributed across Colombia and Venezuela.