Broad-barred Knot-horn vs Laysan Duck

Acrobasis consociella compared with Anas laysanensis

Key Differences

• Broad-barred Knot-horn is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Broad-barred Knot-horn	Laysan Duck
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum	Arthropoda (Artropoda)	Chordata (Chordates)
Class	Insecta (serangga)	Aves (burung)
Order	Lepidoptera (Butterflies & Moths)	Anseriformes (Anseriformes)
Family	Pyralidae	Anatidae
Genus	Acrobasis	Anas
Species	Acrobasis consociella	Anas laysanensis

Evolutionary Relationship

Broad-barred Knot-horn and Laysan Duck share a common ancestor at the Kingdom level: Animalia. (hewan)

Conservation Status

Broad-barred Knot-horn

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Broad-barred Knot-horn	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Broad-barred Knot-horn

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, 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.

Broad-barred Knot-horn

The Broad-barred Knot-horn (Acrobasis consociella) is a species in the genus Acrobasis. It is currently classified as Least Concern on the IUCN Red List. 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.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway