Irrawaddy dolphin vs Wire-crested Thorntail

Orcaella brevirostris compared with Discosura popelairii

Key Differences

• Irrawaddy dolphin is Endangered while Wire-crested Thorntail is Near Threatened.

Taxonomic Classification

Rank	Irrawaddy dolphin	Wire-crested Thorntail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Apodiformes (Apodiformes)
Family	Delphinidae (Oceanic Dolphins)	Trochilidae
Genus	Orcaella	Discosura
Species	Orcaella brevirostris	Discosura popelairii

Evolutionary Relationship

Irrawaddy dolphin and Wire-crested Thorntail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Wire-crested Thorntail

NT — Near Threatened

Physical Characteristics

Attribute	Irrawaddy dolphin	Wire-crested Thorntail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Wire-crested Thorntail

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.