Amazonian Marsh Rat vs Irrawaddy dolphin

Holochilus sciureus compared with Orcaella brevirostris

Key Differences

• Amazonian Marsh Rat is Least Concern while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Irrawaddy 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	Orcaella
Species	Holochilus sciureus	Orcaella brevirostris

Evolutionary Relationship

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

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	Amazonian Marsh Rat	Irrawaddy 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.

Irrawaddy 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.