Four-toed Hedgehog vs Ridge Tail Salamander

Atelerix albiventris compared with Pseudoeurycea obesa

Key Differences

• Four-toed Hedgehog is Least Concern while Ridge Tail Salamander is Critically Endangered.

Taxonomic Classification

Rank	Four-toed Hedgehog	Ridge Tail Salamander
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Erinaceomorpha (Erinaceomorpha)	Caudata (Caudata)
Family	Erinaceidae	Plethodontidae
Genus	Atelerix	Pseudoeurycea
Species	Atelerix albiventris	Pseudoeurycea obesa

Evolutionary Relationship

Four-toed Hedgehog and Ridge Tail Salamander share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Four-toed Hedgehog

LC — Least Concern

Ridge Tail Salamander

CR — Critically Endangered

Physical Characteristics

Attribute	Four-toed Hedgehog	Ridge Tail Salamander
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.

Ridge Tail Salamander

Habitat

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

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.