Big Brown Bat vs Common Raven

Eptesicus fuscus compared with Corvus corax

Key Differences

Big Brown Bat is Least Concern while Common Raven is Not Evaluated.

Taxonomic Classification

Rank	Big Brown Bat	Common Raven
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Vespertilionidae	Corvidae (Crows & Ravens)
Genus	Eptesicus	Corvus (Crows & Ravens)
Species	Eptesicus fuscus	Corvus corax

Evolutionary Relationship

Big Brown Bat and Common Raven share a common ancestor at the Phylum level: Chordata. (Chordates)

View Phylum: Chordata

Conservation Status

Big Brown Bat

LC — Least Concern

Common Raven

NE — Not Evaluated

Population: ~16.0M

Trend: Increasing ↑

Physical Characteristics

Attribute	Big Brown Bat	Common Raven
Diet	—	Omnivore
Average Lifespan	—	15 years
Average Length	—	60 cm
Average Weight	—	1.2 kg

Habitat & Geographic Range

Big Brown Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Colombia, Ecuador, United States, and Venezuela.

Common Raven

Habitat

Typically found in a wide range of habitat types.

Range

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

Big Brown Bat

The Big Brown Bat (Eptesicus fuscus) is a species in the genus Eptesicus. It is currently classified as Least Concern on the IUCN Red List. 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.