Barn Fern vs Laysan Duck

Asplenium haughtonii compared with Anas laysanensis

Taxonomic Classification

Rank	Barn Fern	Laysan Duck
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Aves (Birds)
Order	Polypodiales (Polypodiales)	Anseriformes (Anseriformes)
Family	Aspleniaceae	Anatidae
Genus	Asplenium	Anas
Species	Asplenium haughtonii	Anas laysanensis

Conservation Status

Barn Fern

CR — Critically Endangered

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Barn Fern	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Barn Fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

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.

Barn Fern

The Barn Fern (Asplenium haughtonii) is a species in the genus Asplenium. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies.

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.