Four-toed Hedgehog vs Lesser Siren

Atelerix albiventris compared with Siren intermedia

Taxonomic Classification

Rank	Four-toed Hedgehog	Lesser Siren
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Erinaceomorpha (Erinaceomorpha)	Caudata (Caudata)
Family	Erinaceidae	Sirenidae
Genus	Atelerix	Siren
Species	Atelerix albiventris	Siren intermedia

Evolutionary Relationship

Four-toed Hedgehog and Lesser Siren share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Four-toed Hedgehog

LC — Least Concern

Lesser Siren

LC — Least Concern

Physical Characteristics

Attribute	Four-toed Hedgehog	Lesser Siren
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.

Lesser Siren

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Distributed across Belgium and Mexico.