Dark Gray Boulder Lichen vs Great Reed Warbler

Porpidia cinereoatra compared with Acrocephalus arundinaceus

Key Differences

• Dark Gray Boulder Lichen is Near Threatened while Great Reed Warbler is Critically Endangered.

Taxonomic Classification

Rank	Dark Gray Boulder Lichen	Great Reed Warbler
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Aves (Birds)
Order	Lecideales (Lecideales)	Passeriformes (Songbirds)
Family	Lecideaceae	Acrocephalidae
Genus	Porpidia	Acrocephalus
Species	Porpidia cinereoatra	Acrocephalus arundinaceus

Conservation Status

Dark Gray Boulder Lichen

NT — Near Threatened

Great Reed Warbler

CR — Critically Endangered

Physical Characteristics

Attribute	Dark Gray Boulder Lichen	Great Reed Warbler
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.

Great Reed Warbler

Habitat

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

Range

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

Great Reed Warbler

Great Reed Warbler (Acrocephalus arundinaceus) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden