Irrawaddy dolphin vs Lesser Spear-nosed Bat

Orcaella brevirostris compared with Phyllostomus elongatus

Key Differences

• Irrawaddy dolphin is Endangered while Lesser Spear-nosed Bat is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Lesser Spear-nosed 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)	Phyllostomidae
Genus	Orcaella	Phyllostomus
Species	Orcaella brevirostris	Phyllostomus elongatus

Evolutionary Relationship

Irrawaddy dolphin and Lesser Spear-nosed Bat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Lesser Spear-nosed Bat

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Lesser Spear-nosed Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Spear-nosed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.