Heavy-browed Mouse Opossum vs

Marmosa andersoni compared with Usnea cornuta

Key Differences

• Heavy-browed Mouse Opossum is Data Deficient while is Near Threatened.

Taxonomic Classification

Rank	Heavy-browed Mouse Opossum
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Didelphimorphia (Didelphimorphia)	Lecanorales (Lecanorales)
Family	Didelphidae	Parmeliaceae
Genus	Marmosa	Usnea
Species	Marmosa andersoni	Usnea cornuta

Conservation Status

Heavy-browed Mouse Opossum

DD — Data Deficient

NT — Near Threatened

Physical Characteristics

Attribute	Heavy-browed Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Heavy-browed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Usnea cornuta is a fruticose lichen in the family Parmeliaceae, assessed as Near Threatened (NT). It forms shrubby, branching thalli that hang from tree branches and twigs, typically in humid forest environments. Like all Usnea species, it is highly sensitive to air pollution, particularly sulfur dioxide, making it a useful bioindicator of air quality.