Hover fly vs Ontong Java Flying Fox

Eristalis rupium compared with Pteropus howensis

Key Differences

• Hover fly is Near Threatened while Ontong Java Flying Fox is Critically Endangered.

Taxonomic Classification

Rank	Hover fly	Ontong Java Flying Fox
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Diptera (Diptera)	Chiroptera (Bats)
Family	Syrphidae	Pteropodidae (Fruit Bats)
Genus	Eristalis	Pteropus (Flying Foxes)
Species	Eristalis rupium	Pteropus howensis

Evolutionary Relationship

Hover fly and Ontong Java Flying Fox share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Hover fly

NT — Near Threatened

Ontong Java Flying Fox

CR — Critically Endangered

Physical Characteristics

Attribute	Hover fly	Ontong Java Flying Fox
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hover fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Ontong Java Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.