Laysan Duck vs Utteridge's rough tree fern

Anas laysanensis compared with Dicksonia utteridgei

Key Differences

• Laysan Duck is Critically Endangered while Utteridge's rough tree fern is Data Deficient.

Taxonomic Classification

Rank	Laysan Duck	Utteridge's rough tree fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Aves (Birds)	Polypodiopsida (Polypodiopsida)
Order	Anseriformes (Anseriformes)	Cyatheales (Cyatheales)
Family	Anatidae	Dicksoniaceae
Genus	Anas	Dicksonia
Species	Anas laysanensis	Dicksonia utteridgei

Conservation Status

Laysan Duck

CR — Critically Endangered

Utteridge's rough tree fern

DD — Data Deficient

Physical Characteristics

Attribute	Laysan Duck	Utteridge's rough tree fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

Utteridge's rough tree fern

Habitat

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.