Brown Slender Toad vs Canvasback

Ansonia leptopus compared with Aythya valisineria

Key Differences

• Brown Slender Toad is Least Concern while Canvasback is Not Evaluated.

Taxonomic Classification

Rank	Brown Slender Toad	Canvasback
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Aves (Birds)
Order	Anura (Frogs & Toads)	Anseriformes (Anseriformes)
Family	Bufonidae	Anatidae
Genus	Ansonia	Aythya
Species	Ansonia leptopus	Aythya valisineria

Evolutionary Relationship

Brown Slender Toad and Canvasback share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown Slender Toad

LC — Least Concern

Canvasback

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Slender Toad	Canvasback
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Slender Toad

Habitat

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

Canvasback

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and North America (United States).

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.

Canvasback

Canvasback (Aythya valisineria) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.