Gray-headed Flying Fox vs Ruff

Pteropus poliocephalus compared with Calidris pugnax

Key Differences

• Gray-headed Flying Fox is Vulnerable while Ruff is Least Concern.

Taxonomic Classification

Rank	Gray-headed Flying Fox	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	Chiroptera (翼手目)	Charadriiformes (チドリ目)
Family	Pteropodidae (Fruit Bats)	Scolopacidae
Genus	Pteropus (Flying Foxes)	Calidris
Species	Pteropus poliocephalus	Calidris pugnax

Evolutionary Relationship

Gray-headed Flying Fox and Ruff share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Gray-headed Flying Fox

VU — Vulnerable

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Gray-headed Flying Fox	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-headed Flying Fox

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).

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。