Blue Dolphin vs ホンケワタガモ

Stenella coeruleoalba compared with Somateria mollissima

Key Differences

• Blue Dolphin is Least Concern while ホンケワタガモ is Near Threatened.

Taxonomic Classification

Rank	Blue Dolphin	ホンケワタガモ
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	Delphinidae (Oceanic Dolphins)	Anatidae
Genus	Stenella	Somateria
Species	Stenella coeruleoalba	Somateria mollissima

Evolutionary Relationship

Blue Dolphin and ホンケワタガモ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Blue Dolphin

LC — Least Concern

ホンケワタガモ

NT — Near Threatened

Physical Characteristics

Attribute	Blue Dolphin	ホンケワタガモ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela).

ホンケワタガモ

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Blue Dolphin

スジイルカ（Stenella coeruleoalba）はIUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体で広く豊富に生息し、個体数は安定しており、即座の保全上の懸念はありません。

ホンケワタガモ

ホンケワタガモ（Somateria mollissima）はIUCNレッドリストで準絶滅危惧（NT）に分類されている。脅威のある種の基準に近く、保全措置がなければ脆弱になる可能性がある。

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden