Four-toed Hedgehog vs Ánade de Laysán

Atelerix albiventris compared with Anas laysanensis

Key Differences

• Four-toed Hedgehog is Least Concern while Ánade de Laysán is Critically Endangered.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Four-toed Hedgehog

LC — Least Concern

Ánade de Laysán

CR — Critically Endangered

Physical Characteristics

Attribute	Four-toed Hedgehog	Ánade de Laysán
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.

Ánade de Laysán

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.

Ánade de Laysán

El Pato de Laysan (Anas laysanensis) está clasificado como En Peligro Crítico (CR) en la Lista Roja de la UICN. Enfrenta un riesgo extremadamente alto de extinción en estado silvestre debido a la grave disminución de su población y la pérdida de hábitat.