Brook-Side Alder vs Keeled Skimmer

Alnus serrulata compared with Orthetrum coerulescens

Key Differences

• Brook-Side Alder is Least Concern while Keeled Skimmer is Vulnerable.

Taxonomic Classification

Rank	Brook-Side Alder	Keeled Skimmer
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	Orthetrum
Species	Alnus serrulata	Orthetrum coerulescens

Conservation Status

Brook-Side Alder

LC — Least Concern

Keeled Skimmer

VU — Vulnerable

Physical Characteristics

Attribute	Brook-Side Alder	Keeled Skimmer
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook-Side Alder

Habitat

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

Range

Distributed across Canada and United States.

Keeled Skimmer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Brook-Side Alder

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

Keeled Skimmer

Keeled Skimmer (Orthetrum coerulescens) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.