Four-toed Hedgehog vs Grasshopper Sparrow

Atelerix albiventris compared with Ammodramus savannarum

Key Differences

• Four-toed Hedgehog is Least Concern while Grasshopper Sparrow is Critically Endangered.

Taxonomic Classification

Rank	Four-toed Hedgehog	Grasshopper Sparrow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Erinaceomorpha (Erinaceomorpha)	Passeriformes (Songbirds)
Family	Erinaceidae	Passerellidae
Genus	Atelerix	Ammodramus
Species	Atelerix albiventris	Ammodramus savannarum

Evolutionary Relationship

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

Conservation Status

Four-toed Hedgehog

LC — Least Concern

Grasshopper Sparrow

CR — Critically Endangered

Physical Characteristics

Attribute	Four-toed Hedgehog	Grasshopper Sparrow
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.

Grasshopper Sparrow

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 5 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Ecuador, Norway, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador