Irrawaddy dolphin vs Pied Triller

Orcaella brevirostris compared with Lalage nigra

Key Differences

• Irrawaddy dolphin is Endangered while Pied Triller is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Pied Triller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Passeriformes (Songbirds)
Family	Delphinidae (Oceanic Dolphins)	Campephagidae
Genus	Orcaella	Lalage
Species	Orcaella brevirostris	Lalage nigra

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Pied Triller

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Pied Triller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Pied Triller

Habitat

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

Range

Distributed across Norway and Taiwan.