Chestnut-collared Longspur vs Chihuahua Gray

Calcarius ornatus compared with Aphonopelma pallidum

Key Differences

• Chestnut-collared Longspur is Vulnerable while Chihuahua Gray is Least Concern.

Taxonomic Classification

Rank	Chestnut-collared Longspur	Chihuahua Gray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Arachnida (Arachnids)
Order	Passeriformes (Songbirds)	Araneae (Araneae)
Family	Calcariidae	Theraphosidae
Genus	Calcarius	Aphonopelma
Species	Calcarius ornatus	Aphonopelma pallidum

Evolutionary Relationship

Chestnut-collared Longspur and Chihuahua Gray share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Chestnut-collared Longspur

VU — Vulnerable

Chihuahua Gray

LC — Least Concern

Physical Characteristics

Attribute	Chestnut-collared Longspur	Chihuahua Gray
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.

Chihuahua Gray

Habitat

Typically found in terrestrial habitats from forests to deserts.

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.

Chihuahua Gray

The Chihuahua Gray (Aphonopelma pallidum) is a species in the genus Aphonopelma. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial habitats from forests to deserts.