Chestnut-collared Longspur vs Plains Pocket Mouse

Calcarius ornatus compared with Perognathus flavescens

Key Differences

• Chestnut-collared Longspur is Vulnerable while Plains Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Chestnut-collared Longspur	Plains Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Rodentia (Rodents)
Family	Calcariidae	Heteromyidae
Genus	Calcarius	Perognathus
Species	Calcarius ornatus	Perognathus flavescens

Evolutionary Relationship

Chestnut-collared Longspur and Plains Pocket Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chestnut-collared Longspur

VU — Vulnerable

Plains Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Chestnut-collared Longspur	Plains Pocket Mouse
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.

Plains Pocket Mouse

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.