Red-billed Duck vs Swell shark

Anas erythrorhyncha compared with Cephaloscyllium ventriosum

Taxonomic Classification

Rank	Red-billed Duck	Swell shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Chondrichthyes (Cartilaginous Fish)
Order	Anseriformes (Anseriformes)	Carcharhiniformes (Ground Sharks)
Family	Anatidae	Scyliorhinidae
Genus	Anas	Cephaloscyllium
Species	Anas erythrorhyncha	Cephaloscyllium ventriosum

Evolutionary Relationship

Red-billed Duck and Swell shark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Red-billed Duck

LC — Least Concern

Swell shark

LC — Least Concern

Physical Characteristics

Attribute	Red-billed Duck	Swell shark
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).

Swell shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Found in Chile.

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.