Ontong Java Flying Fox vs Ruff

Pteropus howensis compared with Calidris pugnax

Key Differences

• Ontong Java Flying Fox is Critically Endangered while Ruff is Least Concern.

Taxonomic Classification

Rank	Ontong Java Flying Fox	Ruff
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Mammalia (哺乳動物)	Aves (鳥綱)
Order	Chiroptera (翼手目)	Charadriiformes (鸻形目)
Family	Pteropodidae (Fruit Bats)	Scolopacidae
Genus	Pteropus (Flying Foxes)	Calidris
Species	Pteropus howensis	Calidris pugnax

Evolutionary Relationship

Ontong Java Flying Fox and Ruff share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Ontong Java Flying Fox

CR — Critically Endangered

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Ontong Java Flying Fox	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ontong Java 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

流苏鹬（Calidris pugnax）在IUCN红色名录中被列为无危（LC）。在其分布范围内广泛分布且数量丰富，种群稳定，无迫切保护忧虑。