Irrawaddy dolphin vs Short-faced Thomasomys

Orcaella brevirostris compared with Thomasomys baeops

Key Differences

• Irrawaddy dolphin is Endangered while Short-faced Thomasomys is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Short-faced Thomasomys
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	Thomasomys
Species	Orcaella brevirostris	Thomasomys baeops

Evolutionary Relationship

Irrawaddy dolphin and Short-faced Thomasomys share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Short-faced Thomasomys

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Short-faced Thomasomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Short-faced Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.