Gray Slender Opossum vs クビワキンクロ

Marmosops incanus compared with Aythya collaris

Taxonomic Classification

Rank	Gray Slender Opossum	クビワキンクロ
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	Didelphimorphia (Didelphimorphia)	Anseriformes (カモ目)
Family	Didelphidae	Anatidae
Genus	Marmosops	Aythya
Species	Marmosops incanus	Aythya collaris

Evolutionary Relationship

Gray Slender Opossum and クビワキンクロ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Gray Slender Opossum

LC — Least Concern

クビワキンクロ

LC — Least Concern

Physical Characteristics

Attribute	Gray Slender Opossum	クビワキンクロ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray Slender Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

クビワキンクロ

Habitat

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

Range

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

クビワキンクロ

Ring-necked Duck（Aythya collaris）は IUCN レッドリストで軽度懸念（LC）に分類されている。分布域全体に広く分布し個体数も豊富で、個体群は安定しており差し迫った保全上の懸念はない。