Eurasian red squirrel vs Ruff

Sciurus vulgaris compared with Calidris pugnax

Taxonomic Classification

Rank	Eurasian red squirrel	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	Rodentia (ネズミ目)	Charadriiformes (チドリ目)
Family	Sciuridae (Squirrels)	Scolopacidae
Genus	Sciurus (Tree Squirrels)	Calidris
Species	Sciurus vulgaris	Calidris pugnax

Evolutionary Relationship

Eurasian red squirrel and Ruff share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Eurasian red squirrel

LC — Least Concern

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Eurasian red squirrel	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eurasian red squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Asia (Georgia) and Europe (5 countries).

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).

Eurasian red squirrel

キタリス（Sciurus vulgaris）はIUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体にわたって広く生息し、個体数は安定しており、早急な保全上の懸念はありません。

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。

Shared Countries

Both species can be found in 4 countries:

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