Changeable Rock-moss vs Laysan Duck

Andreaea mutabilis compared with Anas laysanensis

Key Differences

Changeable Rock-moss is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Changeable Rock-moss	Laysan Duck
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Bryophyta	Chordata (Chordates)
Class	Andreaeopsida (Andreaeopsida)	Aves (Birds)
Order	Andreaeales (Andreaeales)	Anseriformes (Anseriformes)
Family	Andreaeaceae	Anatidae
Genus	Andreaea	Anas
Species	Andreaea mutabilis	Anas laysanensis

Conservation Status

Changeable Rock-moss

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Changeable Rock-moss	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Changeable Rock-moss

Habitat

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

Range

Distributed across Norway, Sweden, and Taiwan.

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.

Changeable Rock-moss

The Changeable Rock-moss (Andreaea mutabilis) is a species in the genus Andreaea. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

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.