vs Black-tailed Hairy Dwarf Porcupine

Bacidia rosella compared with Sphiggurus melanurus

Key Differences

• is Critically Endangered while Black-tailed Hairy Dwarf Porcupine is Least Concern.

Taxonomic Classification

Rank		Black-tailed Hairy Dwarf Porcupine
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Lecanorales (Lecanorales)	Rodentia (Rodents)
Family	Ramalinaceae	Erethizontidae
Genus	Bacidia	Sphiggurus
Species	Bacidia rosella	Sphiggurus melanurus

Conservation Status

CR — Critically Endangered

Black-tailed Hairy Dwarf Porcupine

LC — Least Concern

Physical Characteristics

Attribute		Black-tailed Hairy Dwarf Porcupine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 5 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-tailed Hairy Dwarf Porcupine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

Bacidia rosella is a crustose lichen in the family Ramalinaceae, assessed as Critically Endangered (CR). It grows on the smooth bark of ancient trees in old-growth woodland habitats with long ecological continuity. Its critically endangered status reflects extreme rarity and the near-total loss of suitable veteran tree habitats across its range.

Black-tailed Hairy Dwarf Porcupine

The Black-tailed Hairy Dwarf Porcupine (Sphiggurus melanurus) is a species in the genus Sphiggurus. It is currently classified as Least Concern on the IUCN Red List. Found in Venezuela.