Irrawaddy dolphin vs Red-vented Bulbul

Orcaella brevirostris compared with Pycnonotus cafer

Key Differences

• Irrawaddy dolphin is Endangered while Red-vented Bulbul is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Red-vented Bulbul
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)	Pycnonotidae
Genus	Orcaella	Pycnonotus
Species	Orcaella brevirostris	Pycnonotus cafer

Evolutionary Relationship

Irrawaddy dolphin and Red-vented Bulbul share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Red-vented Bulbul

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Red-vented Bulbul
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Red-vented Bulbul

Habitat

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

Range

Widely distributed across Asia (6 countries), Europe (8 countries), North America (Mexico, United States), and Oceania and the Pacific (5 countries).

Red-vented Bulbul

Red-vented Bulbul (Pycnonotus cafer) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.