Common Oak vs Ontong Java Flying Fox

Quercus robur compared with Pteropus howensis

Key Differences

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

Taxonomic Classification

Rank	Common Oak	Ontong Java Flying Fox
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Fagales (Beeches & Oaks)	Chiroptera (Bats)
Family	Fagaceae (Beech Family)	Pteropodidae (Fruit Bats)
Genus	Quercus (Oaks)	Pteropus (Flying Foxes)
Species	Quercus robur	Pteropus howensis

Conservation Status

Common Oak

LC — Least Concern

Trend: Stable →

Ontong Java Flying Fox

CR — Critically Endangered

Physical Characteristics

Attribute	Common Oak	Ontong Java Flying Fox
Diet	Autotroph	—
Average Lifespan	1000 years	—
Average Length	25.0 m	—
Average Weight	—	—

Habitat & Geographic Range

Common Oak

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Africa (Lesotho, South Africa), Asia (Armenia, India), Europe (8 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (4 countries).

Ontong Java Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Oak

One of Europe's most important and widespread deciduous trees, the pedunculate oak can live over 1,000 years, reach 40 meters, and support the greatest biodiversity of any European tree species — over 2,300 species of insects, fungi, lichens, mosses, and birds directly depend on mature oaks. Found across Europe to western Asia in temperate forests, its hard, durable wood has been foundational to shipbuilding, architecture, and barrel making throughout history.