Chestnut-collared Longspur vs Harris s Antelope Squirrel

Calcarius ornatus compared with Ammospermophilus harrisii

Key Differences

• Chestnut-collared Longspur is Vulnerable while Harris s Antelope Squirrel is Least Concern.

Taxonomic Classification

Rank	Chestnut-collared Longspur	Harris 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	Calcariidae	Sciuridae (Squirrels)
Genus	Calcarius	Ammospermophilus
Species	Calcarius ornatus	Ammospermophilus harrisii

Evolutionary Relationship

Chestnut-collared Longspur and Harris s Antelope Squirrel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chestnut-collared Longspur

VU — Vulnerable

Harris s Antelope Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Chestnut-collared Longspur	Harris s Antelope Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut-collared Longspur

Habitat

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

Range

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

Harris s Antelope Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Chestnut-collared Longspur

The Chestnut-collared Longspur (Calcarius ornatus) is a species in the genus Calcarius. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.