Laysan Duck vs Meadow Case-Bearer

Anas laysanensis compared with Coleophora mayrella

Key Differences

• Laysan Duck is Critically Endangered while Meadow Case-Bearer is Least Concern.

Taxonomic Classification

Rank	Laysan Duck	Meadow Case-Bearer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Anseriformes (Anseriformes)	Lepidoptera (Butterflies & Moths)
Family	Anatidae	Coleophoridae
Genus	Anas	Coleophora
Species	Anas laysanensis	Coleophora mayrella

Evolutionary Relationship

Laysan Duck and Meadow Case-Bearer share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Laysan Duck

CR — Critically Endangered

Meadow Case-Bearer

LC — Least Concern

Physical Characteristics

Attribute	Laysan Duck	Meadow Case-Bearer
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.

Meadow Case-Bearer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (4 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