Changeable Rock-moss vs Common Metad

Andreaea mutabilis compared with Millardia meltada

Key Differences

• Changeable Rock-moss is Not Evaluated while Common Metad is Least Concern.

Taxonomic Classification

Rank	Changeable Rock-moss	Common Metad
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Bryophyta	Chordata (Chordates)
Class	Andreaeopsida (Andreaeopsida)	Mammalia (Mammals)
Order	Andreaeales (Andreaeales)	Rodentia (Rodents)
Family	Andreaeaceae	Muridae (Mice & Rats)
Genus	Andreaea	Millardia
Species	Andreaea mutabilis	Millardia meltada

Conservation Status

Changeable Rock-moss

NE — Not Evaluated

Common Metad

LC — Least Concern

Physical Characteristics

Attribute	Changeable Rock-moss	Common Metad
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Changeable Rock-moss

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Sweden, and Taiwan.

Common Metad

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Changeable Rock-moss

The Changeable Rock-moss (Andreaea mutabilis) is a species in the genus Andreaea. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

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.