Four-toed Hedgehog vs pato-de-laysan

Atelerix albiventris compared with Anas laysanensis

Key Differences

• Four-toed Hedgehog is Least Concern while pato-de-laysan is Critically Endangered.

Taxonomic Classification

Rank	Four-toed Hedgehog	pato-de-laysan
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (ave)
Order	Erinaceomorpha (Erinaceomorpha)	Anseriformes (Anseriformes)
Family	Erinaceidae	Anatidae
Genus	Atelerix	Anas
Species	Atelerix albiventris	Anas laysanensis

Evolutionary Relationship

Four-toed Hedgehog and pato-de-laysan share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Four-toed Hedgehog

LC — Least Concern

pato-de-laysan

CR — Critically Endangered

Physical Characteristics

Attribute	Four-toed Hedgehog	pato-de-laysan
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.

pato-de-laysan

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

pato-de-laysan

O Pato-de-Laysan (Anas laysanensis) está classificado como Criticamente Ameaçado (CR) na Lista Vermelha da IUCN. Enfrenta um risco extremamente alto de extinção na natureza devido ao grave declínio populacional e à perda de habitat.