Four-toed Hedgehog vs Лайсанский чирок

Atelerix albiventris compared with Anas laysanensis

Key Differences

• Four-toed Hedgehog is Least Concern while Лайсанский чирок is Critically Endangered.

Taxonomic Classification

Rank	Four-toed Hedgehog	Лайсанский чирок
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Mammalia (млекопитающие)	Aves (птицы)
Order	Erinaceomorpha (ежеобразные)	Anseriformes (гусеобразные)
Family	Erinaceidae	Anatidae
Genus	Atelerix	Anas
Species	Atelerix albiventris	Anas laysanensis

Evolutionary Relationship

Four-toed Hedgehog and Лайсанский чирок share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Four-toed Hedgehog

LC — Least Concern

Лайсанский чирок

CR — Critically Endangered

Physical Characteristics

Attribute	Four-toed Hedgehog	Лайсанский чирок
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.

Лайсанский чирок

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.

Лайсанский чирок

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.