Irrawaddy dolphin vs Perija Thistletail

Orcaella brevirostris compared with Asthenes perijana

Taxonomic Classification

Rank	Irrawaddy dolphin	Perija Thistletail
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)	Furnariidae
Genus	Orcaella	Asthenes
Species	Orcaella brevirostris	Asthenes perijana

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Perija Thistletail

EN — Endangered

Physical Characteristics

Attribute	Irrawaddy dolphin	Perija Thistletail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Perija Thistletail

Habitat

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

Range

Distributed across Colombia, Norway, and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.