California sea lion vs Laysan Duck

Zalophus californianus compared with Anas laysanensis

Key Differences

• California sea lion is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	California sea lion	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Anseriformes (Anseriformes)
Family	Otariidae	Anatidae
Genus	Zalophus	Anas
Species	Zalophus californianus	Anas laysanensis

Evolutionary Relationship

California sea lion and Laysan Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

California sea lion

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	California sea lion	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

California sea lion

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

California sea lion

The California sea lion (Zalophus californianus) is a species in the genus Zalophus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.