Brown Cobblestone Lichen vs Red-flanked Bluetail

Acarospora fuscata compared with Tarsiger cyanurus

Key Differences

• Brown Cobblestone Lichen is Least Concern while Red-flanked Bluetail is Endangered.

Taxonomic Classification

Rank	Brown Cobblestone Lichen	Red-flanked Bluetail
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Aves (Birds)
Order	Acarosporales (Acarosporales)	Passeriformes (Songbirds)
Family	Acarosporaceae	Muscicapidae
Genus	Acarospora	Tarsiger
Species	Acarospora fuscata	Tarsiger cyanurus

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

Red-flanked Bluetail

EN — Endangered

Physical Characteristics

Attribute	Brown Cobblestone Lichen	Red-flanked Bluetail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Cobblestone Lichen

Habitat

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

Range

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

Red-flanked Bluetail

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (8 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Brown Cobblestone Lichen

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

Red-flanked Bluetail

Red-flanked Bluetail (Tarsiger cyanurus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇳🇴 Norway