Large False Serotine vs Pixie Foam

Hesperoptenus tomesi compared with Stereocaulon pileatum

Key Differences

• Large False Serotine is Vulnerable while Pixie Foam is Critically Endangered.

Taxonomic Classification

Rank	Large False Serotine	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	Hesperoptenus	Stereocaulon
Species	Hesperoptenus tomesi	Stereocaulon pileatum

Conservation Status

Large False Serotine

VU — Vulnerable

Pixie Foam

CR — Critically Endangered

Physical Characteristics

Attribute	Large False Serotine	Pixie Foam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Large False Serotine

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.