Irrawaddy dolphin vs Northern Gracile Opossum

Orcaella brevirostris compared with Gracilinanus marica

Key Differences

• Irrawaddy dolphin is Endangered while Northern Gracile Opossum is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Northern Gracile Opossum
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Mammalia (포유류)	Mammalia (포유류)
Order	Cetacea (Whales & Dolphins)	Didelphimorphia (주머니쥐)
Family	Delphinidae (Oceanic Dolphins)	Didelphidae
Genus	Orcaella	Gracilinanus
Species	Orcaella brevirostris	Gracilinanus marica

Evolutionary Relationship

Irrawaddy dolphin and Northern Gracile Opossum share a common ancestor at the Class level: Mammalia. (포유류)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Northern Gracile Opossum

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Northern Gracile Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Northern Gracile Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.