Four-toed Hedgehog vs Ruff

Atelerix albiventris compared with Calidris pugnax

Taxonomic Classification

Rank	Four-toed Hedgehog	Ruff
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Erinaceomorpha (Erinaceomorpha)	Charadriiformes (Charadriiformes)
Family	Erinaceidae	Scolopacidae
Genus	Atelerix	Calidris
Species	Atelerix albiventris	Calidris pugnax

Evolutionary Relationship

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

Conservation Status

Four-toed Hedgehog

LC — Least Concern

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Four-toed Hedgehog	Ruff
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.

Ruff

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela).

Ruff

Ruff (Calidris pugnax) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.