Grey Tooth vs Red-billed Duck

Phellodon melaleucus compared with Anas erythrorhyncha

Key Differences

• Grey Tooth is Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Grey Tooth	Red-billed Duck
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Aves (Birds)
Order	Thelephorales (Thelephorales)	Anseriformes (Anseriformes)
Family	Thelephoraceae	Anatidae
Genus	Phellodon	Anas
Species	Phellodon melaleucus	Anas erythrorhyncha

Conservation Status

Grey Tooth

EN — Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Grey Tooth	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grey Tooth

Habitat

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

Range

Distributed across Belgium, Norway, and United States. Currently classified as Endangered 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