Big-Leaf Avens vs Laysan Duck

Geum macrophyllum compared with Anas laysanensis

Key Differences

Big-Leaf Avens is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Big-Leaf Avens	Laysan Duck
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Aves (Birds)
Order	Rosales (Roses & Allies)	Anseriformes (Anseriformes)
Family	Rosaceae (Rose Family)	Anatidae
Genus	Geum	Anas
Species	Geum macrophyllum	Anas laysanensis

Conservation Status

Big-Leaf Avens

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Big-Leaf Avens	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-Leaf Avens

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (13 countries) and North America (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.

Big-Leaf Avens

The Big-Leaf Avens (Geum macrophyllum) is a species in the genus Geum. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.