Chestnut-collared Longspur vs Pearson's Long-clawed Shrew

Calcarius ornatus compared with Solisorex pearsoni

Key Differences

• Chestnut-collared Longspur is Vulnerable while Pearson's Long-clawed Shrew is Endangered.

Taxonomic Classification

Rank	Chestnut-collared Longspur	Pearson's Long-clawed Shrew
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Soricomorpha (Soricomorpha)
Family	Calcariidae	Soricidae
Genus	Calcarius	Solisorex
Species	Calcarius ornatus	Solisorex pearsoni

Evolutionary Relationship

Chestnut-collared Longspur and Pearson's Long-clawed Shrew share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chestnut-collared Longspur

VU — Vulnerable

Pearson's Long-clawed Shrew

EN — Endangered

Physical Characteristics

Attribute	Chestnut-collared Longspur	Pearson's Long-clawed Shrew
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.

Pearson's Long-clawed Shrew

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.