Alpine Earwort vs Laysan Duck

Diplophyllum taxifolium compared with Anas laysanensis

Key Differences

Alpine Earwort is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Alpine Earwort	Laysan Duck
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Jungermanniopsida (Jungermanniopsida)	Aves (Birds)
Order	Jungermanniales (Jungermanniales)	Anseriformes (Anseriformes)
Family	Scapaniaceae	Anatidae
Genus	Diplophyllum	Anas
Species	Diplophyllum taxifolium	Anas laysanensis

Conservation Status

Alpine Earwort

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Alpine Earwort	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Earwort

Habitat

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

Range

Distributed across Norway, Sweden, Taiwan, and United States.

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.

Alpine Earwort

The Alpine Earwort (Diplophyllum taxifolium) is a species in the genus Diplophyllum. It is currently classified as Least Concern on the IUCN Red List. Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region. Distributed across Norway, Sweden, Taiwan, and United States.

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.