Laysan Duck vs Rusty Swift

Anas laysanensis compared with Borbo detecta

Key Differences

• Laysan Duck is Critically Endangered while Rusty Swift is Least Concern.

Taxonomic Classification

Rank	Laysan Duck	Rusty Swift
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Anseriformes (Anseriformes)	Lepidoptera (Butterflies & Moths)
Family	Anatidae	Hesperiidae
Genus	Anas	Borbo
Species	Anas laysanensis	Borbo detecta

Evolutionary Relationship

Laysan Duck and Rusty Swift share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Laysan Duck

CR — Critically Endangered

Rusty Swift

LC — Least Concern

Physical Characteristics

Attribute	Laysan Duck	Rusty Swift
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.

Rusty Swift

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

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.