Red-billed Duck vs Star Rosette Lichen

Anas erythrorhyncha compared with Physcia stellaris

Key Differences

• Red-billed Duck is Least Concern while Star Rosette Lichen is Endangered.

Taxonomic Classification

Rank	Red-billed Duck	Star Rosette Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Aves (Birds)	Lecanoromycetes (Lecanoromycetes)
Order	Anseriformes (Anseriformes)	Caliciales (Caliciales)
Family	Anatidae	Physciaceae
Genus	Anas	Physcia
Species	Anas erythrorhyncha	Physcia stellaris

Conservation Status

Red-billed Duck

LC — Least Concern

Star Rosette Lichen

EN — Endangered

Physical Characteristics

Attribute	Red-billed Duck	Star Rosette 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).

Star Rosette 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 Endangered 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