Handley s Slender Opossum vs

Marmosops handleyi compared with Usnea cornuta

Key Differences

• Handley s Slender Opossum is Critically Endangered while is Near Threatened.

Taxonomic Classification

Rank	Handley s Slender 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	Marmosops	Usnea
Species	Marmosops handleyi	Usnea cornuta

Conservation Status

Handley s Slender Opossum

CR — Critically Endangered

NT — Near Threatened

Physical Characteristics

Attribute	Handley s Slender Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Handley s Slender Opossum

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and montane grasslands and shrublands, among 4 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Colombia. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.