large greasewort vs Laysan Duck

Aneura maxima compared with Anas laysanensis

Key Differences

• large greasewort is Vulnerable while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	large greasewort	Laysan Duck
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Jungermanniopsida (Jungermanniopsida)	Aves (Birds)
Order	Metzgeriales (Metzgeriales)	Anseriformes (Anseriformes)
Family	Aneuraceae	Anatidae
Genus	Aneura	Anas
Species	Aneura maxima	Anas laysanensis

Conservation Status

large greasewort

VU — Vulnerable

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	large greasewort	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

large greasewort

Habitat

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

Range

Found across Asia (Taiwan) and Europe (5 countries). Currently classified as Vulnerable 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.

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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway