Four-toed Hedgehog vs Savi's Warbler

Atelerix albiventris compared with Locustella luscinioides

Key Differences

• Four-toed Hedgehog is Least Concern while Savi's Warbler is Critically Endangered.

Taxonomic Classification

Rank	Four-toed Hedgehog	Savi's Warbler
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Erinaceomorpha (Erinaceomorpha)	Passeriformes (Songbirds)
Family	Erinaceidae	Locustellidae
Genus	Atelerix	Locustella
Species	Atelerix albiventris	Locustella luscinioides

Evolutionary Relationship

Four-toed Hedgehog and Savi's Warbler share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Four-toed Hedgehog

LC — Least Concern

Savi's Warbler

CR — Critically Endangered

Physical Characteristics

Attribute	Four-toed Hedgehog	Savi's Warbler
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.

Savi's Warbler

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

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

Savi's Warbler

Savi's Warbler (Locustella luscinioides) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.