Crescent Map Lichen vs Great Reed Warbler

Rhizocarpon lecanorinum compared with Acrocephalus arundinaceus

Key Differences

• Crescent Map Lichen is Least Concern while Great Reed Warbler is Critically Endangered.

Taxonomic Classification

Rank	Crescent Map Lichen	Great Reed Warbler
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Aves (Birds)
Order	Rhizocarpales (Rhizocarpales)	Passeriformes (Songbirds)
Family	Rhizocarpaceae	Acrocephalidae
Genus	Rhizocarpon	Acrocephalus
Species	Rhizocarpon lecanorinum	Acrocephalus arundinaceus

Conservation Status

Crescent Map Lichen

LC — Least Concern

Great Reed Warbler

CR — Critically Endangered

Physical Characteristics

Attribute	Crescent Map Lichen	Great Reed Warbler
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crescent Map Lichen

Habitat

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

Range

Distributed across Colombia, Denmark, Norway, Sweden, and United States.

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