Laysan Duck vs Pale Green Weevil

Anas laysanensis compared with Polydrusus impressifrons

Key Differences

• Laysan Duck is Critically Endangered while Pale Green Weevil is Least Concern.

Taxonomic Classification

Rank	Laysan Duck	Pale Green Weevil
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Anseriformes (Anseriformes)	Coleoptera (Beetles)
Family	Anatidae	Curculionidae
Genus	Anas	Polydrusus
Species	Anas laysanensis	Polydrusus impressifrons

Evolutionary Relationship

Laysan Duck and Pale Green Weevil share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Laysan Duck

CR — Critically Endangered

Pale Green Weevil

LC — Least Concern

Physical Characteristics

Attribute	Laysan Duck	Pale Green Weevil
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.

Pale Green Weevil

Habitat

Found across multiple habitat types including temperate coniferous forests, montane grasslands and shrublands, and deserts and xeric shrublands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Mongolia, Turkey), Europe (25 countries), and North America (Canada, United States).

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