Nelson s Antelope Squirrel vs Redhead

Ammospermophilus nelsoni compared with Aythya americana

Key Differences

• Nelson s Antelope Squirrel is Endangered while Redhead is Not Evaluated.

Taxonomic Classification

Rank	Nelson s Antelope Squirrel	Redhead
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Anseriformes (Anseriformes)
Family	Sciuridae (Squirrels)	Anatidae
Genus	Ammospermophilus	Aythya
Species	Ammospermophilus nelsoni	Aythya americana

Evolutionary Relationship

Nelson s Antelope Squirrel and Redhead share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Nelson s Antelope Squirrel

EN — Endangered

Redhead

NE — Not Evaluated

Physical Characteristics

Attribute	Nelson s Antelope Squirrel	Redhead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Nelson s Antelope Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Redhead

Habitat

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

Range

Found across Europe (7 countries) and North America (United States).

Redhead

Redhead (Aythya americana) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.