Red-billed Duck vs Smooth Rock Tripe

Anas erythrorhyncha compared with Umbilicaria mammulata

Key Differences

• Red-billed Duck is Least Concern while Smooth Rock Tripe is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	Smooth Rock Tripe
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Aves (Birds)	Lecanoromycetes (Lecanoromycetes)
Order	Anseriformes (Anseriformes)	Umbilicariales (Umbilicariales)
Family	Anatidae	Umbilicariaceae
Genus	Anas	Umbilicaria
Species	Anas erythrorhyncha	Umbilicaria mammulata

Conservation Status

Red-billed Duck

LC — Least Concern

Smooth Rock Tripe

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	Smooth Rock Tripe
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).

Smooth Rock Tripe

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and United States.

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 1 countries:

🇳🇴 Norway