Brook Alder vs Four-spotted Chaser

Alnus maritima compared with Libellula quadrimaculata

Key Differences

Brook Alder is Endangered while Four-spotted Chaser is Least Concern.

Taxonomic Classification

Rank	Brook Alder	Four-spotted Chaser
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Fagales (Beeches & Oaks)	Odonata (Odonata)
Family	Betulaceae	Libellulidae
Genus	Alnus	Libellula
Species	Alnus maritima	Libellula quadrimaculata

Conservation Status

Brook Alder

EN — Endangered

Four-spotted Chaser

LC — Least Concern

Physical Characteristics

Attribute	Brook Alder	Four-spotted Chaser
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.

Four-spotted Chaser

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (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.

Four-spotted Chaser

Four-spotted Chaser (Libellula quadrimaculata) 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.