Alston s Cotton Rat vs 巴西凫

Sigmodon alstoni compared with Amazonetta brasiliensis

Taxonomic Classification

Rank	Alston s Cotton Rat	巴西凫
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	Mammalia (哺乳動物)	Aves (鳥綱)
Order	Rodentia (啮齿目)	Anseriformes (雁形目)
Family	Cricetidae	Anatidae
Genus	Sigmodon	Amazonetta
Species	Sigmodon alstoni	Amazonetta brasiliensis

Evolutionary Relationship

Alston s Cotton Rat and 巴西凫 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

巴西凫

LC — Least Concern

Physical Characteristics

Attribute	Alston s Cotton Rat	巴西凫
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.

巴西凫

Habitat

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

Range

Found across Europe (5 countries) and South America (Colombia, Ecuador, 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.

巴西凫

巴西鸭（Amazonetta brasiliensis）在IUCN红色名录中被列为无危（LC）物种。分布广泛，种群数量丰富且稳定，无紧迫保护问题。

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela