Common Raven vs Comoro Flying Fox

Corvus corax compared with Pteropus livingstonii

Key Differences

• Common Raven is Not Evaluated while Comoro Flying Fox is Critically Endangered.

Taxonomic Classification

Rank	Common Raven	Comoro Flying Fox
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Chiroptera (Bats)
Family	Corvidae (Crows & Ravens)	Pteropodidae (Fruit Bats)
Genus	Corvus (Crows & Ravens)	Pteropus (Flying Foxes)
Species	Corvus corax	Pteropus livingstonii

Evolutionary Relationship

Common Raven and Comoro Flying Fox share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Raven

NE — Not Evaluated

Population: ~16.0M

Trend: Increasing ↑

Comoro Flying Fox

CR — Critically Endangered

Physical Characteristics

Attribute	Common Raven	Comoro Flying Fox
Diet	Omnivore	—
Average Lifespan	15 years	—
Average Length	60 cm	—
Average Weight	1.2 kg	—

Habitat & Geographic Range

Common Raven

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries) and North America (United States).

Comoro Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Raven

One of the most intelligent birds known, common ravens demonstrate problem-solving abilities rivaling great apes, including tool use, planning, and deceptive behavior. Found across the Northern Hemisphere from Arctic tundra to deserts, ravens are highly adaptable omnivores. They form complex social hierarchies, engage in cooperative foraging, and have been observed engaging in play. Their intelligence and black plumage have made them figures of mythology across many cultures.

Comoro Flying Fox

<em>Pteropus livingstonii</em>, the Comoro flying fox or Livingstone's fruit bat, is a large fruit bat in the family Pteropodidae, endemic to the Comoro Islands in the western Indian Ocean, where it is restricted to Anjouan and Mohéli. It is one of the largest bats in the world, with a wingspan that can exceed one meter and a body weight reportedly ranging between 400–700 g. The species roosts colonially in tall native forest trees, particularly in humid upland forest fragments, and feeds on a variety of native fruits, nectar, and pollen, playing a critical role as a seed disperser and pollinator in Comoran forest ecosystems. Precise average lifespan data in the wild remain poorly documented, though captive individuals have lived over 20 years. <em>Pteropus livingstonii</em> is assessed as Critically Endangered by the IUCN, making it one of the most threatened bat species in the world. Primary threats include extensive deforestation driven by agricultural expansion and charcoal production, which has severely reduced suitable roosting and foraging habitat, along with historic hunting. Conservation efforts include habitat protection, community education programs, and captive breeding initiatives at several European zoos coordinated through an international species survival program.