Boston facelina vs Noctule

Facelina bostoniensis compared with Nyctalus noctula

Key Differences

• Boston facelina is Least Concern while Noctule is Vulnerable.

Taxonomic Classification

Rank	Boston facelina	Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Nudibranchia (Nudibranchia)	Chiroptera (Bats)
Family	Facelinidae	Vespertilionidae
Genus	Facelina	Nyctalus
Species	Facelina bostoniensis	Nyctalus noctula

Evolutionary Relationship

Boston facelina and Noctule share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Boston facelina

LC — Least Concern

Noctule

VU — Vulnerable

Physical Characteristics

Attribute	Boston facelina	Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Boston facelina

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, and Sweden.

Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Boston facelina

The Boston Facelina (Facelina bostoniensis) is a species in the genus Facelina. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Noctule

Noctule (Nyctalus noctula) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden