Big Map Lichen vs Canard de Laysan

Rhizocarpon grande compared with Anas laysanensis

Key Differences

Big Map Lichen is Least Concern while Canard de Laysan is Critically Endangered.

Taxonomic Classification

Rank	Big Map Lichen	Canard de Laysan
Kingdom	Fungi (Fungi)	Animalia (animal)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Aves (oiseau)
Order	Rhizocarpales (Rhizocarpales)	Anseriformes (Anseriformes)
Family	Rhizocarpaceae	Anatidae
Genus	Rhizocarpon	Anas
Species	Rhizocarpon grande	Anas laysanensis

Conservation Status

Big Map Lichen

LC — Least Concern

Canard de Laysan

CR — Critically Endangered

Physical Characteristics

Attribute	Big Map Lichen	Canard de Laysan
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Map Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States.

Canard de Laysan

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Big Map Lichen

The Big Map Lichen (Rhizocarpon grande) is a species in the genus Rhizocarpon. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Canard de Laysan

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.