Allen's Big-eared Bat vs small tortoiseshell

Idionycteris phyllotis compared with Aglais urticae

Key Differences

• Allen's Big-eared Bat is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Allen's Big-eared Bat	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Nymphalidae (Brush-footed Butterflies)
Genus	Idionycteris	Aglais
Species	Idionycteris phyllotis	Aglais urticae

Evolutionary Relationship

Allen's Big-eared Bat and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Allen's Big-eared Bat	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.