Caatinga-Vespermaus vs Pixie Foam

Calomys expulsus compared with Stereocaulon pileatum

Key Differences

• Caatinga-Vespermaus is Least Concern while Pixie Foam is Critically Endangered.

Taxonomic Classification

Rank	Caatinga-Vespermaus	Pixie Foam
Kingdom	Animalia (Tier)	Fungi (Pilze)
Phylum	Chordata (Chordatiere)	Ascomycota (Schlauchpilze)
Class	Mammalia (Säugetiere)	Lecanoromycetes (Lecanoromycetes)
Order	Rodentia (Nagetiere)	Lecanorales (Lecanorales)
Family	Cricetidae	Stereocaulaceae
Genus	Calomys	Stereocaulon
Species	Calomys expulsus	Stereocaulon pileatum

Conservation Status

Caatinga-Vespermaus

LC — Least Concern

Pixie Foam

CR — Critically Endangered

Physical Characteristics

Attribute	Caatinga-Vespermaus	Pixie Foam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caatinga-Vespermaus

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.

Caatinga-Vespermaus

The Caatinga laucha (Calomys expulsus) is a species in the genus Calomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.