Irrawaddy dolphin vs Merriam's kangaroo rat

Orcaella brevirostris compared with Dipodomys merriami

Key Differences

• Irrawaddy dolphin is Endangered while Merriam's kangaroo rat is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Merriam's kangaroo 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)	Heteromyidae
Genus	Orcaella	Dipodomys
Species	Orcaella brevirostris	Dipodomys merriami

Evolutionary Relationship

Irrawaddy dolphin and Merriam's kangaroo rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Merriam's kangaroo rat

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Merriam's kangaroo rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Merriam's kangaroo rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.