Grounded Oysterling vs Red-billed Duck

Crepidotus autochthonus compared with Anas erythrorhyncha

Key Differences

• Grounded Oysterling is Vulnerable while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Grounded Oysterling	Red-billed Duck
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Aves (Birds)
Order	Agaricales (Gilled Mushrooms)	Anseriformes (Anseriformes)
Family	Crepidotaceae	Anatidae
Genus	Crepidotus	Anas
Species	Crepidotus autochthonus	Anas erythrorhyncha

Conservation Status

Grounded Oysterling

VU — Vulnerable

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Grounded Oysterling	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grounded Oysterling

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway