Laysan Duck vs Pleated tunicate

Anas laysanensis compared with Styela plicata

Key Differences

Laysan Duck is Critically Endangered while Pleated tunicate is Not Evaluated.

Taxonomic Classification

Rank	Laysan Duck	Pleated tunicate
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Ascidiacea (Ascidiacea)
Order	Anseriformes (Anseriformes)	Stolidobranchia (Stolidobranchia)
Family	Anatidae	Styelidae
Genus	Anas	Styela
Species	Anas laysanensis	Styela plicata

Evolutionary Relationship

Laysan Duck and Pleated tunicate share a common ancestor at the Phylum level: Chordata. (Chordates)

View Phylum: Chordata

Conservation Status

Laysan Duck

CR — Critically Endangered

Pleated tunicate

NE — Not Evaluated

Physical Characteristics

Attribute	Laysan Duck	Pleated tunicate
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Pleated tunicate

Habitat

Native to Africa and Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Africa (Senegal, South Africa), Asia (7 countries), Europe (11 countries), North America (Mexico, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Brazil, Uruguay, Venezuela).

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.