Dusky Flying Fox vs Ruff

Pteropus brunneus compared with Calidris pugnax

Key Differences

• Dusky Flying Fox is Extinct while Ruff is Least Concern.

Taxonomic Classification

Rank	Dusky Flying Fox	Ruff
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Aves (นก)
Order	Chiroptera (ค้างคาว)	Charadriiformes (Charadriiformes)
Family	Pteropodidae (Fruit Bats)	Scolopacidae
Genus	Pteropus (Flying Foxes)	Calidris
Species	Pteropus brunneus	Calidris pugnax

Evolutionary Relationship

Dusky Flying Fox and Ruff share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Dusky Flying Fox

EX — Extinct

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Dusky Flying Fox	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky 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) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.