Alpine Zephyr Blue vs Brook Alder

Kretania trappi compared with Alnus maritima

Key Differences

Alpine Zephyr Blue is Near Threatened while Brook Alder is Endangered.

Taxonomic Classification

Rank	Alpine Zephyr Blue	Brook Alder
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Lepidoptera (Butterflies & Moths)	Fagales (Beeches & Oaks)
Family	Lycaenidae	Betulaceae
Genus	Kretania	Alnus
Species	Kretania trappi	Alnus maritima

Conservation Status

Alpine Zephyr Blue

NT — Near Threatened

Brook Alder

EN — Endangered

Physical Characteristics

Attribute	Alpine Zephyr Blue	Brook Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Zephyr Blue

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across France, Italy, and Switzerland. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Alpine Zephyr Blue

The Alpine Zephyr Blue (Kretania trappi) is a species in the genus Kretania. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across France, Italy, and Switzerland. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.