Dark Gray Boulder Lichen vs Spotted Sandpiper

Porpidia cinereoatra compared with Actitis macularius

Key Differences

• Dark Gray Boulder Lichen is Near Threatened while Spotted Sandpiper is Least Concern.

Taxonomic Classification

Rank	Dark Gray Boulder Lichen	Spotted Sandpiper
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Aves (Birds)
Order	Lecideales (Lecideales)	Charadriiformes (Charadriiformes)
Family	Lecideaceae	Scolopacidae
Genus	Porpidia	Actitis
Species	Porpidia cinereoatra	Actitis macularius

Conservation Status

Dark Gray Boulder Lichen

NT — Near Threatened

Spotted Sandpiper

LC — Least Concern

Physical Characteristics

Attribute	Dark Gray Boulder Lichen	Spotted Sandpiper
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dark Gray Boulder Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Spotted Sandpiper

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).

Spotted Sandpiper

Spotted Sandpiper (Actitis macularius) 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 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States