レイサンマガモ vs Thin Nut Truffle

Anas laysanensis compared with Hymenogaster tener

Key Differences

• レイサンマガモ is Critically Endangered while Thin Nut Truffle is Data Deficient.

Taxonomic Classification

Rank	レイサンマガモ	Thin Nut Truffle
Kingdom	Animalia (動物)	Fungi (菌界)
Phylum	Chordata (脊索動物)	Basidiomycota (担子菌門)
Class	Aves (鳥類)	Agaricomycetes (真正担子菌綱)
Order	Anseriformes (カモ目)	Agaricales (ハラタケ目)
Family	Anatidae	Hymenogastraceae
Genus	Anas	Hymenogaster
Species	Anas laysanensis	Hymenogaster tener

Conservation Status

レイサンマガモ

CR — Critically Endangered

Thin Nut Truffle

DD — Data Deficient

Physical Characteristics

Attribute	レイサンマガモ	Thin Nut Truffle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

レイサンマガモ

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.

Thin Nut Truffle

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden.

レイサンマガモ

レイサンガモ（Anas laysanensis）はIUCNレッドリストで絶滅寸前（CR）に分類されています。深刻な個体数減少と生息地の喪失により、野生での絶滅リスクが極めて高い種です。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway