Amur Hedgehog vs Arrow-Grass

Erinaceus amurensis compared with Triglochin maritima

Key Differences

• Amur Hedgehog is Least Concern while Arrow-Grass is Near Threatened.

Taxonomic Classification

Rank	Amur Hedgehog	Arrow-Grass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Erinaceomorpha (Erinaceomorpha)	Alismatales (Alismatales)
Family	Erinaceidae	Juncaginaceae
Genus	Erinaceus	Triglochin
Species	Erinaceus amurensis	Triglochin maritima

Conservation Status

Amur Hedgehog

LC — Least Concern

Arrow-Grass

NT — Near Threatened

Physical Characteristics

Attribute	Amur Hedgehog	Arrow-Grass
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.

Arrow-Grass

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Found across Europe (7 countries) and North America (Canada, United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Arrow-Grass

The Arrow-Grass, Triglochin maritima, is a species. It is currently assessed as near threatened on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.