Common Metad vs Cotton Thistle

Millardia meltada compared with Onopordum acanthium

Key Differences

• Common Metad is Least Concern while Cotton Thistle is Endangered.

Taxonomic Classification

Rank	Common Metad	Cotton Thistle
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Asterales (Daisies & Sunflowers)
Family	Muridae (Mice & Rats)	Asteraceae (Daisy Family)
Genus	Millardia	Onopordum
Species	Millardia meltada	Onopordum acanthium

Conservation Status

Common Metad

LC — Least Concern

Cotton Thistle

EN — Endangered

Physical Characteristics

Attribute	Common Metad	Cotton Thistle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Metad

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Cotton Thistle

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Georgia, India, Japan), Europe (22 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina, Brazil, Chile). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.