Onion Earthball vs Red-billed Duck

Scleroderma cepa compared with Anas erythrorhyncha

Key Differences

• Onion Earthball is Data Deficient while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Onion Earthball	Red-billed Duck
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Aves (Birds)
Order	Boletales (Boletales)	Anseriformes (Anseriformes)
Family	Sclerodermataceae	Anatidae
Genus	Scleroderma	Anas
Species	Scleroderma cepa	Anas erythrorhyncha

Conservation Status

Onion Earthball

DD — Data Deficient

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Onion Earthball	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Onion Earthball

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

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

Red-billed Duck

Habitat

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

Range

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

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.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇪 Germany 🇳🇴 Norway