boisduval scale vs Laysan Duck

Diaspis boisduvalii compared with Anas laysanensis

Key Differences

• boisduval scale is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	boisduval scale	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Hemiptera (Hemiptera)	Anseriformes (Anseriformes)
Family	Diaspididae	Anatidae
Genus	Diaspis	Anas
Species	Diaspis boisduvalii	Anas laysanensis

Evolutionary Relationship

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

Conservation Status

boisduval scale

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	boisduval scale	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

boisduval scale

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Japan, Taiwan), Europe (15 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.

boisduval scale

The boisduval scale (Diaspis boisduvalii) is a species in the genus Diaspis. Native to Belgium, Bulgaria, Denmark, France, Germany.

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 4 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇬🇧 United Kingdom