Sekiwen Java vs Ruff

Pipistrellus javanicus compared with Calidris pugnax

Taxonomic Classification

Rank	Sekiwen Java	Ruff
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mamalia)	Aves (burung)
Order	Chiroptera (Kelelawar)	Charadriiformes (Charadriiformes)
Family	Vespertilionidae	Scolopacidae
Genus	Pipistrellus	Calidris
Species	Pipistrellus javanicus	Calidris pugnax

Evolutionary Relationship

Sekiwen Java and Ruff share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Sekiwen Java

LC — Least Concern

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Sekiwen Java	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Sekiwen Java

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.