black gloss vs Laysan Duck

Zonitoides nitidus compared with Anas laysanensis

Key Differences

black gloss is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	black gloss	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Stylommatophora (Stylommatophora)	Anseriformes (Anseriformes)
Family	Gastrodontidae	Anatidae
Genus	Zonitoides	Anas
Species	Zonitoides nitidus	Anas laysanensis

Evolutionary Relationship

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

View Kingdom: Animalia

Conservation Status

black gloss

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	black gloss	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

black gloss

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Widely distributed across Asia (Israel), Europe (9 countries), North America (United States), and South America (Argentina, Uruguay).

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.

black gloss

The Black Gloss (Zonitoides nitidus) is a species in the genus Zonitoides. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

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.