Bare-bellied Hedgehog vs Ruff

Paraechinus nudiventris compared with Calidris pugnax

Taxonomic Classification

Rank	Bare-bellied Hedgehog	Ruff
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	Erinaceomorpha (Erinaceomorpha)	Charadriiformes (チドリ目)
Family	Erinaceidae	Scolopacidae
Genus	Paraechinus	Calidris
Species	Paraechinus nudiventris	Calidris pugnax

Evolutionary Relationship

Bare-bellied Hedgehog and Ruff share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Bare-bellied Hedgehog

LC — Least Concern

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Bare-bellied Hedgehog	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bare-bellied Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ruff

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela).

Bare-bellied Hedgehog

The Bare-bellied Hedgehog (Paraechinus nudiventris) is a species in the genus Paraechinus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Ruff

Ruff（Calidris pugnax）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。