vs Brown Slender Toad

Bacidia rosella compared with Ansonia leptopus

Key Differences

• is Critically Endangered while Brown Slender Toad is Least Concern.

Taxonomic Classification

Rank		Brown Slender Toad
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Amphibia (Amphibians)
Order	Lecanorales (Lecanorales)	Anura (Frogs & Toads)
Family	Ramalinaceae	Bufonidae
Genus	Bacidia	Ansonia
Species	Bacidia rosella	Ansonia leptopus

Conservation Status

CR — Critically Endangered

Brown Slender Toad

LC — Least Concern

Physical Characteristics

Attribute		Brown Slender Toad
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.

Brown Slender Toad

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

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.

Brown Slender Toad

The Brown Slender Toad (Ansonia leptopus) is a species in the genus Ansonia. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.