Bay-Breasted Warbler vs Big Brown Bat

Setophaga castanea compared with Eptesicus fuscus

Taxonomic Classification

Rank	Bay-Breasted Warbler	Big Brown Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Chiroptera (Bats)
Family	Parulidae	Vespertilionidae
Genus	Setophaga	Eptesicus
Species	Setophaga castanea	Eptesicus fuscus

Evolutionary Relationship

Bay-Breasted Warbler and Big Brown Bat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bay-Breasted Warbler

LC — Least Concern

Big Brown Bat

LC — Least Concern

Physical Characteristics

Attribute	Bay-Breasted Warbler	Big Brown Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bay-Breasted Warbler

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, United States, and Venezuela.

Big Brown Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Colombia, Ecuador, United States, and Venezuela.

Bay-Breasted Warbler

Bay-Breasted Warbler (Setophaga castanea) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

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.

Shared Countries

Both species can be found in 4 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇺🇸 United States 🇻🇪 Venezuela