Allen's Big-eared Bat vs Chestnut-collared Longspur

Idionycteris phyllotis compared with Calcarius ornatus

Key Differences

• Allen's Big-eared Bat is Least Concern while Chestnut-collared Longspur is Vulnerable.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Chestnut-collared Longspur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Vespertilionidae	Calcariidae
Genus	Idionycteris	Calcarius
Species	Idionycteris phyllotis	Calcarius ornatus

Evolutionary Relationship

Allen's Big-eared Bat and Chestnut-collared Longspur share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Chestnut-collared Longspur

VU — Vulnerable

Physical Characteristics

Attribute	Allen's Big-eared Bat	Chestnut-collared Longspur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Allen's Big-eared Bat

The Allen's Big-eared Bat (Idionycteris phyllotis) is a species in the genus Idionycteris. It is currently classified as Least Concern on the IUCN Red List. 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.