Dwarf eelgrass vs Laysan Duck

Zostera japonica compared with Anas laysanensis

Key Differences

• Dwarf eelgrass is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Dwarf eelgrass	Laysan Duck
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Aves (Birds)
Order	Alismatales (Alismatales)	Anseriformes (Anseriformes)
Family	Zosteraceae	Anatidae
Genus	Zostera	Anas
Species	Zostera japonica	Anas laysanensis

Conservation Status

Dwarf eelgrass

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Dwarf eelgrass	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf eelgrass

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Distributed across Canada, Laos, Norway, Taiwan, and United States.

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 1 countries:

🇳🇴 Norway