Dusky Dolphin vs Galapagos sea lion

Lagenorhynchus obscurus compared with Zalophus wollebaeki

Key Differences

• Dusky Dolphin is Least Concern while Galapagos sea lion is Endangered.

Taxonomic Classification

Rank	Dusky Dolphin	Galapagos sea lion
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Carnivora (Carnivorans)
Family	Delphinidae (Oceanic Dolphins)	Otariidae
Genus	Lagenorhynchus	Zalophus
Species	Lagenorhynchus obscurus	Zalophus wollebaeki

Evolutionary Relationship

Dusky Dolphin and Galapagos sea lion share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Dusky Dolphin

LC — Least Concern

Galapagos sea lion

EN — Endangered

Physical Characteristics

Attribute	Dusky Dolphin	Galapagos sea lion
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Galapagos sea lion

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and deserts and xeric shrublands within the Neotropic biogeographic realm.

Range

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