Noctule vs Olive Pearl

Nyctalus noctula compared with Udea olivalis

Key Differences

• Noctule is Vulnerable while Olive Pearl is Near Threatened.

Taxonomic Classification

Rank	Noctule	Olive Pearl
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Crambidae
Genus	Nyctalus	Udea
Species	Nyctalus noctula	Udea olivalis

Evolutionary Relationship

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

Conservation Status

Noctule

VU — Vulnerable

Olive Pearl

NT — Near Threatened

Physical Characteristics

Attribute	Noctule	Olive Pearl
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Olive Pearl

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden