Bent Ring Lichen vs Polynesian rat

Arctoparmelia incurva compared with Rattus exulans

Key Differences

Bent Ring Lichen is Critically Endangered while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Bent Ring Lichen	Polynesian rat
Kingdom	Fungi (菌界)	Animalia (動物)
Phylum	Ascomycota (子嚢菌門)	Chordata (脊索動物)
Class	Lecanoromycetes (チャシブゴケ菌綱)	Mammalia (哺乳類)
Order	Lecanorales (チャシブゴケ目)	Rodentia (ネズミ目)
Family	Parmeliaceae	Muridae (Mice & Rats)
Genus	Arctoparmelia	Rattus
Species	Arctoparmelia incurva	Rattus exulans

Conservation Status

Bent Ring Lichen

CR — Critically Endangered

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Bent Ring Lichen	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bent Ring Lichen

Habitat

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

Range

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

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

Bent Ring Lichen

The Bent Ring Lichen (Arctoparmelia incurva) is a species in the genus Arctoparmelia. It is currently classified as Critically Endangered on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.