Amazonian Marsh Rat vs Dusky Dolphin

Holochilus sciureus compared with Lagenorhynchus obscurus

Taxonomic Classification

Rank	Amazonian Marsh Rat	Dusky Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Cetacea (Whales & Dolphins)
Family	Cricetidae	Delphinidae (Oceanic Dolphins)
Genus	Holochilus	Lagenorhynchus
Species	Holochilus sciureus	Lagenorhynchus obscurus

Evolutionary Relationship

Amazonian Marsh Rat and Dusky Dolphin share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Dusky Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Amazonian Marsh Rat	Dusky Dolphin
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.

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.