Lesser Noctule vs Olive Nut Truffle

Nyctalus leisleri compared with Hymenogaster olivaceus

Key Differences

• Lesser Noctule is Endangered while Olive Nut Truffle is Data Deficient.

Taxonomic Classification

Rank	Lesser Noctule	Olive Nut Truffle
Kingdom	Animalia (حيوانات)	Fungi (فطر)
Phylum	Chordata (حبليات)	Basidiomycota (دعاميات)
Class	Mammalia (ثدييات)	Agaricomycetes (غاريقونانية)
Order	Chiroptera (خفاشيات)	Agaricales (غاريقونيات)
Family	Vespertilionidae	Hymenogastraceae
Genus	Nyctalus	Hymenogaster
Species	Nyctalus leisleri	Hymenogaster olivaceus

Conservation Status

Lesser Noctule

EN — Endangered

Olive Nut Truffle

DD — Data Deficient

Physical Characteristics

Attribute	Lesser Noctule	Olive Nut Truffle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Olive Nut Truffle

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇸🇪 Sweden