Big Brown Bat vs Gerfalke

Eptesicus fuscus compared with Falco rusticolus

Key Differences

• Big Brown Bat is Least Concern while Gerfalke is Near Threatened.

Taxonomic Classification

Rank	Big Brown Bat	Gerfalke
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Mammalia (Säugetiere)	Aves (Vögel)
Order	Chiroptera (Fledertiere)	Falconiformes (Falkenartige)
Family	Vespertilionidae	Falconidae
Genus	Eptesicus	Falco
Species	Eptesicus fuscus	Falco rusticolus

Evolutionary Relationship

Big Brown Bat and Gerfalke share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Big Brown Bat

LC — Least Concern

Gerfalke

NT — Near Threatened

Physical Characteristics

Attribute	Big Brown Bat	Gerfalke
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.

Gerfalke

Habitat

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

Range

Found across Europe (9 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Gerfalke

Gyrfalcon (Falco rusticolus) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇺🇸 United States