Red-billed Duck vs Smooth Map Lichen

Anas erythrorhyncha compared with Rhizocarpon hochstetteri

Key Differences

• Red-billed Duck is Least Concern while Smooth Map Lichen is Vulnerable.

Taxonomic Classification

Rank	Red-billed Duck	Smooth Map Lichen
Kingdom	Animalia (สัตว์)	Fungi (เห็ดรา)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Ascomycota (Sac Fungi)
Class	Aves (นก)	Lecanoromycetes (Lecanoromycetes)
Order	Anseriformes (อันดับห่าน)	Rhizocarpales (Rhizocarpales)
Family	Anatidae	Rhizocarpaceae
Genus	Anas	Rhizocarpon
Species	Anas erythrorhyncha	Rhizocarpon hochstetteri

Conservation Status

Red-billed Duck

LC — Least Concern

Smooth Map Lichen

VU — Vulnerable

Physical Characteristics

Attribute	Red-billed Duck	Smooth Map Lichen
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 Map Lichen

Habitat

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

Range

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

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