Chestnut-collared Longspur vs Harmless Serotine

Calcarius ornatus compared with Eptesicus innoxius

Key Differences

• Chestnut-collared Longspur is Vulnerable while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Chestnut-collared Longspur	Harmless Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Chiroptera (Bats)
Family	Calcariidae	Vespertilionidae
Genus	Calcarius	Eptesicus
Species	Calcarius ornatus	Eptesicus innoxius

Evolutionary Relationship

Chestnut-collared Longspur and Harmless Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chestnut-collared Longspur

VU — Vulnerable

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Chestnut-collared Longspur	Harmless Serotine
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.

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.