Big Brown Bat vs Dark-Eyed Junco

Eptesicus fuscus compared with Junco hyemalis

Key Differences

• Big Brown Bat is Least Concern while Dark-Eyed Junco is Not Evaluated.

Taxonomic Classification

Rank	Big Brown Bat	Dark-Eyed Junco
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Vespertilionidae	Passerellidae
Genus	Eptesicus	Junco
Species	Eptesicus fuscus	Junco hyemalis

Evolutionary Relationship

Big Brown Bat and Dark-Eyed Junco share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big Brown Bat

LC — Least Concern

Dark-Eyed Junco

NE — Not Evaluated

Physical Characteristics

Attribute	Big Brown Bat	Dark-Eyed Junco
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.

Dark-Eyed Junco

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (7 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.

Dark-Eyed Junco

Dark-Eyed Junco (Junco hyemalis) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇺🇸 United States