Chestnut-collared Longspur vs Four-toed Hedgehog

Calcarius ornatus compared with Atelerix albiventris

Key Differences

• Chestnut-collared Longspur is Vulnerable while Four-toed Hedgehog is Least Concern.

Taxonomic Classification

Rank	Chestnut-collared Longspur	Four-toed Hedgehog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Erinaceomorpha (Erinaceomorpha)
Family	Calcariidae	Erinaceidae
Genus	Calcarius	Atelerix
Species	Calcarius ornatus	Atelerix albiventris

Evolutionary Relationship

Chestnut-collared Longspur and Four-toed Hedgehog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chestnut-collared Longspur

VU — Vulnerable

Four-toed Hedgehog

LC — Least Concern

Physical Characteristics

Attribute	Chestnut-collared Longspur	Four-toed Hedgehog
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.

Four-toed Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Ecuador and Spain.

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.