Bog Fritillary vs Brook Alder

Boloria eunomia compared with Alnus maritima

Key Differences

• Bog Fritillary is Least Concern while Brook Alder is Endangered.

Taxonomic Classification

Rank	Bog Fritillary	Brook Alder
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Lepidoptera (Butterflies & Moths)	Fagales (Beeches & Oaks)
Family	Nymphalidae (Brush-footed Butterflies)	Betulaceae
Genus	Boloria	Alnus
Species	Boloria eunomia	Alnus maritima

Conservation Status

Bog Fritillary

LC — Least Concern

Brook Alder

EN — Endangered

Physical Characteristics

Attribute	Bog Fritillary	Brook Alder
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).

Brook Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Belgium, France, Netherlands, and United Kingdom. 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.

Brook Alder

The Brook Alder (Alnus maritima) is a species in the genus Alnus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇫🇷 France