Big Brown Bat vs Birdlike Noctule

Eptesicus fuscus compared with Nyctalus aviator

Key Differences

• Big Brown Bat is Least Concern while Birdlike Noctule is Near Threatened.

Taxonomic Classification

Rank	Big Brown Bat	Birdlike Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Chiroptera (Bats)	Chiroptera (Bats)
Family same	Vespertilionidae	Vespertilionidae
Genus	Eptesicus	Nyctalus
Species	Eptesicus fuscus	Nyctalus aviator

Evolutionary Relationship

Big Brown Bat and Birdlike Noctule share a common ancestor at the Family level: Vespertilionidae.

Conservation Status

Big Brown Bat

LC — Least Concern

Birdlike Noctule

NT — Near Threatened

Physical Characteristics

Attribute	Big Brown Bat	Birdlike Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

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.

Birdlike Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Birdlike Noctule

The Birdlike Noctule (Nyctalus aviator) is a species in the genus Nyctalus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.