flat-backed millipede vs Laysan Duck

Polydesmus complanatus compared with Anas laysanensis

Key Differences

• flat-backed millipede is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	flat-backed millipede	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Diplopoda (Diplopoda)	Aves (Birds)
Order	Polydesmida (Polydesmida)	Anseriformes (Anseriformes)
Family	Polydesmidae	Anatidae
Genus	Polydesmus	Anas
Species	Polydesmus complanatus	Anas laysanensis

Evolutionary Relationship

flat-backed millipede and Laysan Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

flat-backed millipede

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	flat-backed millipede	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

flat-backed millipede

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway