Great Reed Warbler vs Tiny Earthstar

Acrocephalus arundinaceus compared with Geastrum minimum

Key Differences

• Great Reed Warbler is Critically Endangered while Tiny Earthstar is Near Threatened.

Taxonomic Classification

Rank	Great Reed Warbler	Tiny Earthstar
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Aves (Birds)	Agaricomycetes (Mushrooms)
Order	Passeriformes (Songbirds)	Geastrales (Geastrales)
Family	Acrocephalidae	Geastraceae
Genus	Acrocephalus	Geastrum
Species	Acrocephalus arundinaceus	Geastrum minimum

Conservation Status

Great Reed Warbler

CR — Critically Endangered

Tiny Earthstar

NT — Near Threatened

Physical Characteristics

Attribute	Great Reed Warbler	Tiny Earthstar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Tiny Earthstar

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway