Irrawaddy dolphin vs Ucucha Thomasomys

Orcaella brevirostris compared with Thomasomys ucucha

Key Differences

• Irrawaddy dolphin is Endangered while Ucucha Thomasomys is Vulnerable.

Taxonomic Classification

Rank	Irrawaddy dolphin	Ucucha 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 ucucha

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Ucucha Thomasomys

VU — Vulnerable

Physical Characteristics

Attribute	Irrawaddy dolphin	Ucucha Thomasomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ucucha Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.