Irrawaddy dolphin vs Lesser Cuckoo

Orcaella brevirostris compared with Cuculus poliocephalus

Key Differences

• Irrawaddy dolphin is Endangered while Lesser Cuckoo is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Lesser Cuckoo
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Cuculiformes (Cuculiformes)
Family	Delphinidae (Oceanic Dolphins)	Cuculidae
Genus	Orcaella	Cuculus
Species	Orcaella brevirostris	Cuculus poliocephalus

Evolutionary Relationship

Irrawaddy dolphin and Lesser Cuckoo share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Lesser Cuckoo

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Lesser Cuckoo
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Cuckoo

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Norway and Taiwan.