Hazel slender vs Noctule

Parornix devoniella compared with Nyctalus noctula

Key Differences

• Hazel slender is Least Concern while Noctule is Vulnerable.

Taxonomic Classification

Rank	Hazel slender	Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Chiroptera (Bats)
Family	Gracillariidae	Vespertilionidae
Genus	Parornix	Nyctalus
Species	Parornix devoniella	Nyctalus noctula

Evolutionary Relationship

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

Conservation Status

Hazel slender

LC — Least Concern

Noctule

VU — Vulnerable

Physical Characteristics

Attribute	Hazel slender	Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hazel slender

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Russia, 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.

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