Irrawaddy dolphin vs Miller’s Mastiff Bat

Orcaella brevirostris compared with Molossus pretiosus

Key Differences

• Irrawaddy dolphin is Endangered while Miller’s Mastiff Bat is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Miller’s Mastiff Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Chiroptera (Bats)
Family	Delphinidae (Oceanic Dolphins)	Molossidae
Genus	Orcaella	Molossus
Species	Orcaella brevirostris	Molossus pretiosus

Evolutionary Relationship

Irrawaddy dolphin and Miller’s Mastiff Bat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Miller’s Mastiff Bat

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Miller’s Mastiff Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Miller’s Mastiff Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.