Brook Alder vs Brown Plume

Alnus maritima compared with Stenoptilia pterodactyla

Key Differences

• Brook Alder is Endangered while Brown Plume is Least Concern.

Taxonomic Classification

Rank	Brook Alder	Brown Plume
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Fagales (Beeches & Oaks)	Lepidoptera (Butterflies & Moths)
Family	Betulaceae	Pterophoridae
Genus	Alnus	Stenoptilia
Species	Alnus maritima	Stenoptilia pterodactyla

Conservation Status

Brook Alder

EN — Endangered

Brown Plume

LC — Least Concern

Physical Characteristics

Attribute	Brook Alder	Brown Plume
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Brown Plume

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and flooded grasslands and savannas, among 5 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Asia (7 countries) and Europe (32 countries).

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.

Brown Plume

The Brown Plume (Stenoptilia pterodactyla) is a species in the genus Stenoptilia. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and flooded grasslands and savannas, among 5 distinct biome types within the Palearctic biogeographic realm. Populations are

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands