American Toad vs large tortoiseshell

Anaxyrus americanus compared with Nymphalis polychloros

Key Differences

• American Toad is Least Concern while large tortoiseshell is Critically Endangered.

Taxonomic Classification

Rank	American Toad	large tortoiseshell
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Amphibia (両生類)	Insecta (昆虫)
Order	Anura (カエル)	Lepidoptera (チョウ目)
Family	Bufonidae	Nymphalidae (Brush-footed Butterflies)
Genus	Anaxyrus	Nymphalis
Species	Anaxyrus americanus	Nymphalis polychloros

Evolutionary Relationship

American Toad and large tortoiseshell share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

American Toad

LC — Least Concern

large tortoiseshell

CR — Critically Endangered

Physical Characteristics

Attribute	American Toad	large tortoiseshell
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.

large tortoiseshell

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 9 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (39 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

large tortoiseshell

オオキタテハ（Nymphalis polychloros）はIUCNレッドリストで絶滅危惧IA類（CR）に分類されている。深刻な個体数の減少と生息地の喪失により、野生での絶滅リスクが極めて高い状況にある。