Allen's Big-eared Bat vs Arctic aster

Idionycteris phyllotis compared with Eurybia sibirica

Key Differences

• Allen's Big-eared Bat is Least Concern while Arctic aster is Critically Endangered.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Arctic aster
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Chiroptera (Bats)	Asterales (Daisies & Sunflowers)
Family	Vespertilionidae	Asteraceae (Daisy Family)
Genus	Idionycteris	Eurybia
Species	Idionycteris phyllotis	Eurybia sibirica

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Arctic aster

CR — Critically Endangered

Physical Characteristics

Attribute	Allen's Big-eared Bat	Arctic aster
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arctic aster

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Canada, Norway, and Sweden. Currently classified as Critically Endangered 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.

Arctic aster

The Arctic aster (Eurybia sibirica) is a species in the genus Eurybia. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.