Irrawaddy dolphin vs small tortoiseshell

Orcaella brevirostris compared with Aglais urticae

Key Differences

• Irrawaddy dolphin is Endangered while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Irrawaddy dolphin	small tortoiseshell
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)	Lepidoptera (チョウ目)
Family	Delphinidae (Oceanic Dolphins)	Nymphalidae (Brush-footed Butterflies)
Genus	Orcaella	Aglais
Species	Orcaella brevirostris	Aglais urticae

Evolutionary Relationship

Irrawaddy dolphin and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Irrawaddy dolphin

EN — Endangered

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Irrawaddy dolphin	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

small tortoiseshell

スモールトータスシェル(Aglais urticae)はIUCNレッドリストで準絶滅危惧(NT)に分類されている。絶滅危惧種に分類される一歩手前の段階で、保全措置がなければ脆弱になる可能性のある個体群を持つ。