Broad Scalewort vs Laysan Duck

Porella obtusata compared with Anas laysanensis

Key Differences

Broad Scalewort is Endangered while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Broad Scalewort	Laysan Duck
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Jungermanniopsida (Jungermanniopsida)	Aves (Birds)
Order	Porellales (Porellales)	Anseriformes (Anseriformes)
Family	Porellaceae	Anatidae
Genus	Porella	Anas
Species	Porella obtusata	Anas laysanensis

Conservation Status

Broad Scalewort

EN — Endangered

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Broad Scalewort	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Broad Scalewort

Habitat

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

Range

Distributed across Norway, Portugal, Sweden, and United States. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Broad Scalewort

The Broad Scalewort (Porella obtusata) is a species in the genus Porella. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America, 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.