Big Brown Bat vs Gray-sided Thrush

Eptesicus fuscus compared with Turdus feae

Key Differences

• Big Brown Bat is Least Concern while Gray-sided Thrush is Vulnerable.

Taxonomic Classification

Rank	Big Brown Bat	Gray-sided Thrush
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Vespertilionidae	Turdidae
Genus	Eptesicus	Turdus
Species	Eptesicus fuscus	Turdus feae

Evolutionary Relationship

Big Brown Bat and Gray-sided Thrush share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big Brown Bat

LC — Least Concern

Gray-sided Thrush

VU — Vulnerable

Physical Characteristics

Attribute	Big Brown Bat	Gray-sided Thrush
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.

Gray-sided Thrush

Habitat

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

Range

Distributed across Norway and Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.