Brown Cobblestone Lichen vs Red Knot

Acarospora fuscata compared with Calidris canutus

Taxonomic Classification

Rank	Brown Cobblestone Lichen	Red Knot
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Aves (Birds)
Order	Acarosporales (Acarosporales)	Charadriiformes (Charadriiformes)
Family	Acarosporaceae	Scolopacidae
Genus	Acarospora	Calidris
Species	Acarospora fuscata	Calidris canutus

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

Red Knot

LC — Least Concern

Physical Characteristics

Attribute	Brown Cobblestone Lichen	Red Knot
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 Knot

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

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 Knot

Red Knot (Calidris canutus) 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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇺🇸 United States