Big Brown Bat vs Black-billed Gull

Eptesicus fuscus compared with Chroicocephalus bulleri

Key Differences

• Big Brown Bat is Least Concern while Black-billed Gull is Not Evaluated.

Taxonomic Classification

Rank	Big Brown Bat	Black-billed Gull
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Charadriiformes (Charadriiformes)
Family	Vespertilionidae	Laridae
Genus	Eptesicus	Chroicocephalus
Species	Eptesicus fuscus	Chroicocephalus bulleri

Evolutionary Relationship

Big Brown Bat and Black-billed Gull share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big Brown Bat

LC — Least Concern

Black-billed Gull

NE — Not Evaluated

Physical Characteristics

Attribute	Big Brown Bat	Black-billed Gull
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.

Black-billed Gull

Habitat

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

Range

Found in Norway.

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.

Black-billed Gull

The Black-billed Gull (Chroicocephalus bulleri) is a species in the genus Chroicocephalus. Typically found in various aerial, terrestrial, and aquatic environments.