Common Metad vs Common Starwort

Millardia meltada compared with Stellaria graminea

Taxonomic Classification

Rank	Common Metad	Common Starwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Caryophyllales (Caryophyllales)
Family	Muridae (Mice & Rats)	Caryophyllaceae
Genus	Millardia	Stellaria
Species	Millardia meltada	Stellaria graminea

Conservation Status

Common Metad

LC — Least Concern

Common Starwort

LC — Least Concern

Physical Characteristics

Attribute	Common Metad	Common Starwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Metad

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Starwort

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Asia (Japan), Europe (8 countries), North America (Canada, Mexico, United States), and Oceania and the Pacific (Australia).

Common Metad

The Common Metad (<em>Millardia meltada</em>) is a rodent belonging to the genus <em>Millardia</em> within the family Muridae. As a member of the Old World rats and mice, this species is typically found in diverse terrestrial and aquatic ecosystems across its range. The Common Metad is classified as Least Concern on the IUCN Red List, indicating that its populations are currently stable and not facing immediate extinction risk. Detailed biological traits such as body length, weight, and lifespan have not been widely documented for this species in available records. Its taxonomy places it within the order Rodentia, which encompasses a broad array of gnawing mammals adapted to a wide variety of ecological niches. While specific dietary habits are not well characterized in the available data, members of the genus <em>Millardia</em> are generally understood to be omnivorous, feeding on plant material and invertebrates typical of their habitat. Ongoing monitoring is important for ensuring this species maintains its current conservation standing.

Common Starwort

<em>Stellaria graminea</em>, commonly known as the common starwort or lesser stitchwort, is a slender perennial herb in the family Caryophyllaceae, widely distributed across the temperate regions of Europe and Asia. This species typically inhabits grasslands, meadows, heathlands, woodland margins, roadsides, and hedgerow banks, favouring moderately acidic to neutral, nutrient-poor soils and tolerating a range of moisture conditions. Its geographic range extends from the British Isles and Scandinavia across continental Europe into Russia, Central Asia, and as far east as China and Japan, making it one of the more broadly distributed members of the genus. Classified as Least Concern on the IUCN Red List, <em>Stellaria graminea</em> remains common and stable across much of its extensive Eurasian range. The plant produces small white flowers with five deeply bifid petals, giving the appearance of ten petals, characteristic of the family Caryophyllaceae. Stems are typically weak and straggling, supported by surrounding vegetation, and reach lengths of approximately 15–60 cm. As a plant, dietary traits in the zoological sense are not applicable. Biological traits such as average individual lifespan, body weight, and precise dimensional measurements remain poorly documented, though the species is perennial and may persist at established sites for many years.