Ceylon Spiny Mouse vs Common St. John'S Wort

Mus fernandoni compared with Hypericum perforatum

Key Differences

• Ceylon Spiny Mouse is Endangered while Common St. John'S Wort is Least Concern.

Taxonomic Classification

Rank	Ceylon Spiny Mouse	Common St. John'S Wort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Malpighiales (Malpighiales)
Family	Muridae (Mice & Rats)	Hypericaceae
Genus	Mus (House Mice)	Hypericum
Species	Mus fernandoni	Hypericum perforatum

Conservation Status

Ceylon Spiny Mouse

EN — Endangered

Common St. John'S Wort

LC — Least Concern

Physical Characteristics

Attribute	Ceylon Spiny Mouse	Common St. John'S Wort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ceylon Spiny Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common St. John'S Wort

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and deserts and xeric shrublands spanning the Afrotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (5 countries), Europe (8 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina, Brazil, Chile).

Ceylon Spiny Mouse

The Ceylon Spiny Mouse (Mus fernandoni) is a species in the genus Mus. It is currently classified as Endangered on the IUCN Red List.

Common St. John'S Wort

<em>Hypericum perforatum</em>, commonly known as common St. John's wort, is a flowering plant in the family Hypericaceae, order Malpighiales. It enjoys a cosmopolitan distribution, naturally occurring across Europe, western Asia, and North Africa, and has become widely naturalized in North and South America, Australia, and parts of Asia. The species typically inhabits roadsides, meadows, disturbed ground, and open woodland edges, preferring well-drained soils and full sun to partial shade. Its bright yellow flowers, distinguished by black glandular dots along the margins, bloom from late spring through summer. <em>Hypericum perforatum</em> has long been used in herbal medicine, particularly for its antidepressant properties attributed to the compound hypericin. The plant is also known to cause photosensitivity in livestock when ingested in large quantities. Biological traits including precise lifespan, reproductive output rates, and specific dietary associations remain poorly documented at the species level. Its conservation status is Least Concern, and it is considered a common weed in many regions, indicating a stable and widespread global population.