Irrawaddy dolphin vs Unicolored Thomasomys

Orcaella brevirostris compared with Thomasomys monochromos

Taxonomic Classification

Rank	Irrawaddy dolphin	Unicolored 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 monochromos

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Unicolored Thomasomys

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Unicolored Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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