Brook Alder vs Gray Pug

Alnus maritima compared with Eupithecia subfuscata

Key Differences

Brook Alder is Endangered while Gray Pug is Least Concern.

Taxonomic Classification

Rank	Brook Alder	Gray Pug
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	Geometridae
Genus	Alnus	Eupithecia
Species	Alnus maritima	Eupithecia subfuscata

Conservation Status

Brook Alder

EN — Endangered

Gray Pug

LC — Least Concern

Physical Characteristics

Attribute	Brook Alder	Gray Pug
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.

Gray Pug

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (4 countries) and North America (Canada, 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.