Allen's Big-eared Bat vs Knautien-Sandbiene

Idionycteris phyllotis compared with Andrena hattorfiana

Key Differences

• Allen's Big-eared Bat is Least Concern while Knautien-Sandbiene is Critically Endangered.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Knautien-Sandbiene
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Chordata (Chordatiere)	Arthropoda (Gliederfüßer)
Class	Mammalia (Säugetiere)	Insecta (Insekten)
Order	Chiroptera (Fledertiere)	Hymenoptera (Hautflügler)
Family	Vespertilionidae	Andrenidae
Genus	Idionycteris	Andrena
Species	Idionycteris phyllotis	Andrena hattorfiana

Evolutionary Relationship

Allen's Big-eared Bat and Knautien-Sandbiene share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Knautien-Sandbiene

CR — Critically Endangered

Physical Characteristics

Attribute	Allen's Big-eared Bat	Knautien-Sandbiene
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Knautien-Sandbiene

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, 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.