green hydra vs small tortoiseshell

Hydra viridissima compared with Aglais urticae

Key Differences

• green hydra is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	green hydra	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Cnidaria (Cnidarians)	Arthropoda (Arthropods)
Class	Hydrozoa (Hydrozoa)	Insecta (Insects)
Order	Anthoathecata (Anthoathecata)	Lepidoptera (Butterflies & Moths)
Family	Hydridae	Nymphalidae (Brush-footed Butterflies)
Genus	Hydra	Aglais
Species	Hydra viridissima	Aglais urticae

Evolutionary Relationship

green hydra and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

green hydra

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	green hydra	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

green hydra

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden