Irrawaddy dolphin vs Sibree’s Dwarf Lemur

Orcaella brevirostris compared with Cheirogaleus sibreei

Key Differences

• Irrawaddy dolphin is Endangered while Sibree’s Dwarf Lemur is Critically Endangered.

Taxonomic Classification

Rank	Irrawaddy dolphin	Sibree’s Dwarf Lemur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Primates (Primates)
Family	Delphinidae (Oceanic Dolphins)	Cheirogaleidae
Genus	Orcaella	Cheirogaleus
Species	Orcaella brevirostris	Cheirogaleus sibreei

Evolutionary Relationship

Irrawaddy dolphin and Sibree’s Dwarf Lemur share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Sibree’s Dwarf Lemur

CR — Critically Endangered

Physical Characteristics

Attribute	Irrawaddy dolphin	Sibree’s Dwarf Lemur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Sibree’s Dwarf Lemur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.