Amazonian Marsh Rat vs Smith's Longspur

Holochilus sciureus compared with Calcarius pictus

Taxonomic Classification

Rank	Amazonian Marsh Rat	Smith's Longspur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Cricetidae	Calcariidae
Genus	Holochilus	Calcarius
Species	Holochilus sciureus	Calcarius pictus

Evolutionary Relationship

Amazonian Marsh Rat and Smith's Longspur share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Smith's Longspur

LC — Least Concern

Physical Characteristics

Attribute	Amazonian Marsh Rat	Smith's Longspur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Smith's Longspur

Habitat

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

Range

Distributed across Norway and United States.

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.