Amazon River Dolphin vs レイサンマガモ

Inia geoffrensis compared with Anas laysanensis

Key Differences

• Amazon River Dolphin is Data Deficient while レイサンマガモ is Critically Endangered.

Taxonomic Classification

Rank	Amazon River Dolphin	レイサンマガモ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Aves (鳥類)
Order	Cetacea (Whales & Dolphins)	Anseriformes (カモ目)
Family	Iniidae	Anatidae
Genus	Inia	Anas
Species	Inia geoffrensis	Anas laysanensis

Evolutionary Relationship

Amazon River Dolphin and レイサンマガモ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

レイサンマガモ

CR — Critically Endangered

Physical Characteristics

Attribute	Amazon River Dolphin	レイサンマガモ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon River Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.

Amazon River Dolphin

The Amazon River Dolphin (Inia geoffrensis) is a species in the genus Inia. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Typically found in diverse terrestrial and aquatic ecosystems.

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。