Greenish Mottled-Disk Lichen vs Red-billed Duck

Trapeliopsis viridescens compared with Anas erythrorhyncha

Key Differences

• Greenish Mottled-Disk Lichen is Critically Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Greenish Mottled-Disk Lichen	Red-billed Duck
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Aves (Birds)
Order	Baeomycetales (Baeomycetales)	Anseriformes (Anseriformes)
Family	Trapeliaceae	Anatidae
Genus	Trapeliopsis	Anas
Species	Trapeliopsis viridescens	Anas erythrorhyncha

Conservation Status

Greenish Mottled-Disk Lichen

CR — Critically Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Greenish Mottled-Disk Lichen	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Greenish Mottled-Disk Lichen

Habitat

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

Range

Distributed across Norway, Sweden, and United States. Currently classified as Critically 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 1 countries:

🇳🇴 Norway