Bog Fritillary vs Lesser Noctule

Boloria eunomia compared with Nyctalus leisleri

Key Differences

• Bog Fritillary is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Bog Fritillary	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Chiroptera (Bats)
Family	Nymphalidae (Brush-footed Butterflies)	Vespertilionidae
Genus	Boloria	Nyctalus
Species	Boloria eunomia	Nyctalus leisleri

Evolutionary Relationship

Bog Fritillary and Lesser Noctule share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bog Fritillary

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Bog Fritillary	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bog Fritillary

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (22 countries) and North America (Canada).

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.

Bog Fritillary

Bog Fritillary (Boloria eunomia) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇱🇺 Luxembourg 🇸🇪 Sweden 🇺🇦 Ukraine