ホンケワタガモ vs Merriam’s Pocket Mouse

Somateria mollissima compared with Perognathus merriami

Key Differences

• ホンケワタガモ is Near Threatened while Merriam’s Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	ホンケワタガモ	Merriam’s Pocket Mouse
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Aves (鳥類)	Mammalia (哺乳類)
Order	Anseriformes (カモ目)	Rodentia (ネズミ目)
Family	Anatidae	Heteromyidae
Genus	Somateria	Perognathus
Species	Somateria mollissima	Perognathus merriami

Evolutionary Relationship

ホンケワタガモ and Merriam’s Pocket Mouse share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

ホンケワタガモ

NT — Near Threatened

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	ホンケワタガモ	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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。