Chestnut-backed Chickadee vs Nelson s Antelope Squirrel

Poecile rufescens compared with Ammospermophilus nelsoni

Key Differences

• Chestnut-backed Chickadee is Least Concern while Nelson s Antelope Squirrel is Endangered.

Taxonomic Classification

Rank	Chestnut-backed Chickadee	Nelson s Antelope Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Rodentia (Rodents)
Family	Paridae	Sciuridae (Squirrels)
Genus	Poecile	Ammospermophilus
Species	Poecile rufescens	Ammospermophilus nelsoni

Evolutionary Relationship

Chestnut-backed Chickadee and Nelson s Antelope Squirrel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chestnut-backed Chickadee

LC — Least Concern

Nelson s Antelope Squirrel

EN — Endangered

Physical Characteristics

Attribute	Chestnut-backed Chickadee	Nelson s Antelope Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut-backed Chickadee

Habitat

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

Range

Found in Norway.

Nelson s Antelope Squirrel

Habitat

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.