Big Brown Bat vs Rough-Legged Buzzard

Eptesicus fuscus compared with Buteo lagopus

Key Differences

• Big Brown Bat is Least Concern while Rough-Legged Buzzard is Near Threatened.

Taxonomic Classification

Rank	Big Brown Bat	Rough-Legged Buzzard
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Accipitriformes (Hawks & Eagles)
Family	Vespertilionidae	Accipitridae (Hawks & Eagles)
Genus	Eptesicus	Buteo
Species	Eptesicus fuscus	Buteo lagopus

Evolutionary Relationship

Big Brown Bat and Rough-Legged Buzzard share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big Brown Bat

LC — Least Concern

Rough-Legged Buzzard

NT — Near Threatened

Physical Characteristics

Attribute	Big Brown Bat	Rough-Legged Buzzard
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.

Rough-Legged Buzzard

Habitat

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

Range

Found across Europe (5 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.

Rough-Legged Buzzard

Rough-Legged Buzzard (Buteo lagopus) 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