Big Brown Bat vs Chestnut-backed Chickadee

Eptesicus fuscus compared with Poecile rufescens

Taxonomic Classification

Rank	Big Brown Bat	Chestnut-backed Chickadee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Vespertilionidae	Paridae
Genus	Eptesicus	Poecile
Species	Eptesicus fuscus	Poecile rufescens

Evolutionary Relationship

Big Brown Bat and Chestnut-backed Chickadee share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big Brown Bat

LC — Least Concern

Chestnut-backed Chickadee

LC — Least Concern

Physical Characteristics

Attribute	Big Brown Bat	Chestnut-backed Chickadee
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.

Chestnut-backed Chickadee

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.

Chestnut-backed Chickadee

The Chestnut-backed Chickadee (Poecile rufescens) is a species in the genus Poecile. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.