Four-toed Hedgehog vs Thick-billed Murre

Atelerix albiventris compared with Uria lomvia

Key Differences

• Four-toed Hedgehog is Least Concern while Thick-billed Murre is Endangered.

Taxonomic Classification

Rank	Four-toed Hedgehog	Thick-billed Murre
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Erinaceomorpha (Erinaceomorpha)	Charadriiformes (Charadriiformes)
Family	Erinaceidae	Alcidae
Genus	Atelerix	Uria
Species	Atelerix albiventris	Uria lomvia

Evolutionary Relationship

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

Conservation Status

Four-toed Hedgehog

LC — Least Concern

Thick-billed Murre

EN — Endangered

Physical Characteristics

Attribute	Four-toed Hedgehog	Thick-billed Murre
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.

Thick-billed Murre

Habitat

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

Range

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