Four-toed Hedgehog vs Green Silver-Spangled Shark

Atelerix albiventris compared with Cucullia argentea

Key Differences

• Four-toed Hedgehog is Least Concern while Green Silver-Spangled Shark is Critically Endangered.

Taxonomic Classification

Rank	Four-toed Hedgehog	Green Silver-Spangled Shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Erinaceomorpha (Erinaceomorpha)	Lepidoptera (Butterflies & Moths)
Family	Erinaceidae	Noctuidae
Genus	Atelerix	Cucullia
Species	Atelerix albiventris	Cucullia argentea

Evolutionary Relationship

Four-toed Hedgehog and Green Silver-Spangled Shark share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Four-toed Hedgehog

LC — Least Concern

Green Silver-Spangled Shark

CR — Critically Endangered

Physical Characteristics

Attribute	Four-toed Hedgehog	Green Silver-Spangled Shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Four-toed Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Ecuador and Spain.

Green Silver-Spangled Shark

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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