Red-billed Duck vs Spineless Stream Toad

Anas erythrorhyncha compared with Bufo aspinius

Key Differences

• Red-billed Duck is Least Concern while Spineless Stream Toad is Endangered.

Taxonomic Classification

Rank	Red-billed Duck	Spineless Stream Toad
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Amphibia (Amphibians)
Order	Anseriformes (Anseriformes)	Anura (Frogs & Toads)
Family	Anatidae	Bufonidae
Genus	Anas	Bufo
Species	Anas erythrorhyncha	Bufo aspinius

Evolutionary Relationship

Red-billed Duck and Spineless Stream Toad share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Red-billed Duck

LC — Least Concern

Spineless Stream Toad

EN — Endangered

Physical Characteristics

Attribute	Red-billed Duck	Spineless Stream Toad
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Spineless Stream Toad

Habitat

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

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.