Alston s Cotton Rat vs Brown Noddy

Sigmodon alstoni compared with Anous stolidus

Taxonomic Classification

Rank	Alston s Cotton Rat	Brown Noddy
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Cricetidae	Laridae
Genus	Sigmodon	Anous
Species	Sigmodon alstoni	Anous stolidus

Evolutionary Relationship

Alston s Cotton Rat and Brown Noddy share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Brown Noddy

LC — Least Concern

Physical Characteristics

Attribute	Alston s Cotton Rat	Brown Noddy
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.

Brown Noddy

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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.

Brown Noddy

The Brown Noddy (Anous stolidus) is a species in the genus Anous. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela