Brown Pelican vs Irrawaddy dolphin

Pelecanus occidentalis compared with Orcaella brevirostris

Key Differences

• Brown Pelican is Least Concern while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	Brown Pelican	Irrawaddy dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Pelecaniformes (Pelecaniformes)	Cetacea (Whales & Dolphins)
Family	Pelecanidae	Delphinidae (Oceanic Dolphins)
Genus	Pelecanus	Orcaella
Species	Pelecanus occidentalis	Orcaella brevirostris

Evolutionary Relationship

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

Conservation Status

Brown Pelican

LC — Least Concern

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	Brown Pelican	Irrawaddy dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Pelican

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, United States, and Venezuela.

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Brown Pelican

Brown Pelican (Pelecanus occidentalis) 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.