Laysan Duck vs roundleaf toothcup

Anas laysanensis compared with Rotala rotundifolia

Key Differences

• Laysan Duck is Critically Endangered while roundleaf toothcup is Least Concern.

Taxonomic Classification

Rank	Laysan Duck	roundleaf toothcup
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Aves (Birds)	Magnoliopsida (Dicots)
Order	Anseriformes (Anseriformes)	Myrtales (Myrtales)
Family	Anatidae	Lythraceae
Genus	Anas	Rotala
Species	Anas laysanensis	Rotala rotundifolia

Conservation Status

Laysan Duck

CR — Critically Endangered

roundleaf toothcup

LC — Least Concern

Physical Characteristics

Attribute	Laysan Duck	roundleaf toothcup
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.

roundleaf toothcup

Habitat

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

Range

Distributed across Australia, Brazil, 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.