Bonnet hammerhead vs small tortoiseshell

Sphyrna tiburo compared with Aglais urticae

Key Differences

• Bonnet hammerhead is Endangered while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Bonnet hammerhead	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Carcharhiniformes (Ground Sharks)	Lepidoptera (Butterflies & Moths)
Family	Sphyrnidae (Hammerhead Sharks)	Nymphalidae (Brush-footed Butterflies)
Genus	Sphyrna (Hammerhead Sharks)	Aglais
Species	Sphyrna tiburo	Aglais urticae

Evolutionary Relationship

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

Conservation Status

Bonnet hammerhead

EN — Endangered

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Bonnet hammerhead	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bonnet hammerhead

Habitat

Typically found in marine environments from coastal waters to deep ocean.

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.

Bonnet hammerhead

The Bonnet hammerhead (Sphyrna tiburo) is a species in the genus Sphyrna. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

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.