Isopod vs Laysan Duck

Porcellio dilatatus compared with Anas laysanensis

Key Differences

• Isopod is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Isopod	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Malacostraca (Crustaceans)	Aves (Birds)
Order	Isopoda (Isopoda)	Anseriformes (Anseriformes)
Family	Porcellionidae	Anatidae
Genus	Porcellio	Anas
Species	Porcellio dilatatus	Anas laysanensis

Evolutionary Relationship

Isopod and Laysan Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Isopod

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Isopod	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Isopod

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Brazil).

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.

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.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway