Peale’s Free-tailed Bat vs Upper Crust

Nyctinomops aurispinosus compared with Amaurodon cyaneus

Key Differences

• Peale’s Free-tailed Bat is Least Concern while Upper Crust is Vulnerable.

Taxonomic Classification

Rank	Peale’s Free-tailed Bat	Upper Crust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Chiroptera (Bats)	Thelephorales (Thelephorales)
Family	Molossidae	Thelephoraceae
Genus	Nyctinomops	Amaurodon
Species	Nyctinomops aurispinosus	Amaurodon cyaneus

Conservation Status

Peale’s Free-tailed Bat

LC — Least Concern

Upper Crust

VU — Vulnerable

Physical Characteristics

Attribute	Peale’s Free-tailed Bat	Upper Crust
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Peale’s Free-tailed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Upper Crust

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.