Irrawaddy dolphin vs Mérida Thomasomys

Orcaella brevirostris compared with Thomasomys vestitus

Key Differences

• Irrawaddy dolphin is Endangered while Mérida Thomasomys is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Mérida 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 vestitus

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Mérida Thomasomys

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Mérida Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.