Chestnut-collared Longspur vs Long-tailed Ground Squirrel

Calcarius ornatus compared with Urocitellus undulatus

Key Differences

• Chestnut-collared Longspur is Vulnerable while Long-tailed Ground Squirrel is Least Concern.

Taxonomic Classification

Rank	Chestnut-collared Longspur	Long-tailed Ground Squirrel
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Aves (นก)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Passeriformes (นกเกาะคอน)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Calcariidae	Sciuridae (Squirrels)
Genus	Calcarius	Urocitellus
Species	Calcarius ornatus	Urocitellus undulatus

Evolutionary Relationship

Chestnut-collared Longspur and Long-tailed Ground Squirrel share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Chestnut-collared Longspur

VU — Vulnerable

Long-tailed Ground Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Chestnut-collared Longspur	Long-tailed Ground 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.

Long-tailed Ground 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.