Amur Hedgehog vs cavernous crystalwort

Erinaceus amurensis compared with Riccia cavernosa

Key Differences

• Amur Hedgehog is Least Concern while cavernous crystalwort is Endangered.

Taxonomic Classification

Rank	Amur Hedgehog	cavernous crystalwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Marchantiophyta (liverwort)
Class	Mammalia (Mammals)	Marchantiopsida (Marchantiopsida)
Order	Erinaceomorpha (Erinaceomorpha)	Marchantiales (Marchantiales)
Family	Erinaceidae	Ricciaceae
Genus	Erinaceus	Riccia
Species	Erinaceus amurensis	Riccia cavernosa

Conservation Status

Amur Hedgehog

LC — Least Concern

cavernous crystalwort

EN — Endangered

Physical Characteristics

Attribute	Amur Hedgehog	cavernous crystalwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amur Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan.

cavernous crystalwort

Habitat

Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Europe (6 countries), North America (United States), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Amur Hedgehog

The Amur Hedgehog (Erinaceus amurensis) is a species in the genus Erinaceus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

cavernous crystalwort

The Cavernous crystalwort (Riccia cavernosa) is a species in the genus Riccia. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.