Brown Slender Toad vs Mourning Cloak

Ansonia leptopus compared with Nymphalis antiopa

Key Differences

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

Taxonomic Classification

Rank	Brown Slender Toad	Mourning Cloak
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Amphibia (Amphibians)	Insecta (Insects)
Order	Anura (Frogs & Toads)	Lepidoptera (Butterflies & Moths)
Family	Bufonidae	Nymphalidae (Brush-footed Butterflies)
Genus	Ansonia	Nymphalis
Species	Ansonia leptopus	Nymphalis antiopa

Evolutionary Relationship

Brown Slender Toad and Mourning Cloak share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brown Slender Toad

LC — Least Concern

Mourning Cloak

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Slender Toad	Mourning Cloak
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Slender Toad

Habitat

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

Mourning Cloak

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) and North America (Canada, United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges 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.

Mourning Cloak

Mourning Cloak (Nymphalis antiopa) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.