Imported currantworm vs Laysan Duck

Nematus ribesii compared with Anas laysanensis

Key Differences

• Imported currantworm is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Imported currantworm	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Hymenoptera (Ants, Bees & Wasps)	Anseriformes (Anseriformes)
Family	Tenthredinidae	Anatidae
Genus	Nematus	Anas
Species	Nematus ribesii	Anas laysanensis

Evolutionary Relationship

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

Conservation Status

Imported currantworm

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Imported currantworm	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Imported currantworm

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Iceland, Norway, and 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.

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