Alston s Cotton Rat vs Red-billed Duck

Sigmodon alstoni compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Alston s Cotton Rat	Red-billed Duck
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Mammalia (lớp Thú)	Aves (chim)
Order	Rodentia (Bộ Gặm nhấm)	Anseriformes (bộ Ngỗng)
Family	Cricetidae	Anatidae
Genus	Sigmodon	Anas
Species	Sigmodon alstoni	Anas erythrorhyncha

Evolutionary Relationship

Alston s Cotton Rat and Red-billed Duck share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Alston s Cotton Rat	Red-billed Duck
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.

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

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.

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.