Hourglass Dolphin vs Variable Bluet

Lagenorhynchus cruciger compared with Coenagrion pulchellum

Key Differences

• Hourglass Dolphin is Least Concern while Variable Bluet is Endangered.

Taxonomic Classification

Rank	Hourglass Dolphin	Variable Bluet
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Mammalia (哺乳類)	Insecta (昆虫)
Order	Cetacea (Whales & Dolphins)	Odonata (蜻蛉目)
Family	Delphinidae (Oceanic Dolphins)	Coenagrionidae
Genus	Lagenorhynchus	Coenagrion
Species	Lagenorhynchus cruciger	Coenagrion pulchellum

Evolutionary Relationship

Hourglass Dolphin and Variable Bluet share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Hourglass Dolphin

LC — Least Concern

Variable Bluet

EN — Endangered

Physical Characteristics

Attribute	Hourglass Dolphin	Variable Bluet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Variable Bluet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Variable Bluet

ムラサキイトトンボ類(Coenagrion pulchellum)はIUCNレッドリストで絶滅危惧(EN)に指定されています。野生での絶滅リスクが高く、個体群の著しい減少と生存に対する継続的な脅威があります。