Allen's Big-eared Bat vs

Idionycteris phyllotis compared with Fuscidea praeruptorum

Key Differences

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

Taxonomic Classification

Rank	Allen's Big-eared Bat
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Chiroptera (Bats)	Umbilicariales (Umbilicariales)
Family	Vespertilionidae	Fuscideaceae
Genus	Idionycteris	Fuscidea
Species	Idionycteris phyllotis	Fuscidea praeruptorum

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Sweden, and United States. 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.

Fuscidea praeruptorum is a crustose lichen in the family Fuscideaceae, assessed as Vulnerable (VU). It grows on siliceous rock surfaces in stable, undisturbed habitats and is sensitive to air pollution and land use changes. Its vulnerable status reflects the restricted occurrence of suitable clean-air rocky substrates.