American Toad vs

Anaxyrus americanus compared with Usnea cornuta

Key Differences

• American Toad is Least Concern while is Near Threatened.

Taxonomic Classification

Rank	American Toad
Kingdom	Animalia (động vật)	Fungi (nấm)
Phylum	Chordata (động vật có dây sống)	Ascomycota (Sac Fungi)
Class	Amphibia (động vật lưỡng cư)	Lecanoromycetes (Lecanoromycetes)
Order	Anura (bộ Không đuôi)	Lecanorales (Lecanorales)
Family	Bufonidae	Parmeliaceae
Genus	Anaxyrus	Usnea
Species	Anaxyrus americanus	Usnea cornuta

Conservation Status

American Toad

LC — Least Concern

NT — Near Threatened

Physical Characteristics

Attribute	American Toad
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Toad

Habitat

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

Range

Found in United States.

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.

American Toad

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

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.