Dusky Dolphin vs Lesser Siren

Lagenorhynchus obscurus compared with Siren intermedia

Taxonomic Classification

Rank	Dusky Dolphin	Lesser Siren
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Cetacea (Whales & Dolphins)	Caudata (Caudata)
Family	Delphinidae (Oceanic Dolphins)	Sirenidae
Genus	Lagenorhynchus	Siren
Species	Lagenorhynchus obscurus	Siren intermedia

Evolutionary Relationship

Dusky Dolphin and Lesser Siren share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dusky Dolphin

LC — Least Concern

Lesser Siren

LC — Least Concern

Physical Characteristics

Attribute	Dusky Dolphin	Lesser Siren
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Siren

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Distributed across Belgium and Mexico.