Black Swallowtail vs Brook Alder

Papilio polyxenes compared with Alnus maritima

Key Differences

• Black Swallowtail is Least Concern while Brook Alder is Endangered.

Taxonomic Classification

Rank	Black Swallowtail	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	Papilionidae	Betulaceae
Genus	Papilio	Alnus
Species	Papilio polyxenes	Alnus maritima

Conservation Status

Black Swallowtail

LC — Least Concern

Brook Alder

EN — Endangered

Physical Characteristics

Attribute	Black Swallowtail	Brook Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Swallowtail

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Canada, Colombia, and United States.

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.

Black Swallowtail

The Black Swallowtail (Papilio polyxenes) is a species in the genus Papilio. It is currently classified as Least Concern on the IUCN Red List. Distributed across Canada, Colombia, 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.