Javan Rusa vs Peale’s Free-tailed Bat

Rusa timorensis compared with Nyctinomops aurispinosus

Key Differences

• Javan Rusa is Vulnerable while Peale’s Free-tailed Bat is Least Concern.

Taxonomic Classification

Rank	Javan Rusa	Peale’s Free-tailed Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Artiodactyla (Even-toed Ungulates)	Chiroptera (Bats)
Family	Cervidae (Deer)	Molossidae
Genus	Rusa	Nyctinomops
Species	Rusa timorensis	Nyctinomops aurispinosus

Evolutionary Relationship

Javan Rusa and Peale’s Free-tailed Bat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Javan Rusa

VU — Vulnerable

Peale’s Free-tailed Bat

LC — Least Concern

Physical Characteristics

Attribute	Javan Rusa	Peale’s Free-tailed Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Javan Rusa

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Afrotropic and Oceanian realms.

Range

Distributed across Mauritius, New Zealand, and Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Peale’s Free-tailed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.