Brook Alder vs Window Gnat

Alnus maritima compared with Sylvicola fenestralis

Key Differences

• Brook Alder is Endangered while Window Gnat is Least Concern.

Taxonomic Classification

Rank	Brook Alder	Window Gnat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Fagales (Beeches & Oaks)	Diptera (Diptera)
Family	Betulaceae	Anisopodidae
Genus	Alnus	Sylvicola
Species	Alnus maritima	Sylvicola fenestralis

Conservation Status

Brook Alder

EN — Endangered

Window Gnat

LC — Least Concern

Physical Characteristics

Attribute	Brook Alder	Window Gnat
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.

Window Gnat

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Sweden, and United States.

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.