Galapagos sea lion vs Hourglass Dolphin

Zalophus wollebaeki compared with Lagenorhynchus cruciger

Key Differences

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

Taxonomic Classification

Rank	Galapagos sea lion	Hourglass Dolphin
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Carnivora (ネコ目)	Cetacea (Whales & Dolphins)
Family	Otariidae	Delphinidae (Oceanic Dolphins)
Genus	Zalophus	Lagenorhynchus
Species	Zalophus wollebaeki	Lagenorhynchus cruciger

Evolutionary Relationship

Galapagos sea lion and Hourglass Dolphin share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Galapagos sea lion

EN — Endangered

Hourglass Dolphin

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

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.

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.