Brown Cobblestone Lichen vs Red-Throated Diver

Acarospora fuscata compared with Gavia stellata

Key Differences

• Brown Cobblestone Lichen is Least Concern while Red-Throated Diver is Near Threatened.

Taxonomic Classification

Rank	Brown Cobblestone Lichen	Red-Throated Diver
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Aves (Birds)
Order	Acarosporales (Acarosporales)	Gaviiformes (Gaviiformes)
Family	Acarosporaceae	Gaviidae
Genus	Acarospora	Gavia
Species	Acarospora fuscata	Gavia stellata

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

Red-Throated Diver

NT — Near Threatened

Physical Characteristics

Attribute	Brown Cobblestone Lichen	Red-Throated Diver
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-Throated Diver

Habitat

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

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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-Throated Diver

Red-Throated Diver (Gavia stellata) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇺🇸 United States