Irrawaddy dolphin vs marsh rice rat

Orcaella brevirostris compared with Oryzomys palustris

Key Differences

• Irrawaddy dolphin is Endangered while marsh rice rat is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	marsh rice rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Rodentia (Rodents)
Family	Delphinidae (Oceanic Dolphins)	Cricetidae
Genus	Orcaella	Oryzomys
Species	Orcaella brevirostris	Oryzomys palustris

Evolutionary Relationship

Irrawaddy dolphin and marsh rice rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

marsh rice rat

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	marsh rice rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

marsh rice rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.