Allen's Big-eared Bat vs Pixie Foam

Idionycteris phyllotis compared with Stereocaulon pileatum

Key Differences

• Allen's Big-eared Bat is Least Concern while Pixie Foam is Critically Endangered.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Pixie Foam
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Chiroptera (Bats)	Lecanorales (Lecanorales)
Family	Vespertilionidae	Stereocaulaceae
Genus	Idionycteris	Stereocaulon
Species	Idionycteris phyllotis	Stereocaulon pileatum

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Pixie Foam

CR — Critically Endangered

Physical Characteristics

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

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Pixie Foam

Habitat

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

Range

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