Great Reed Warbler vs Willow Mildew

Acrocephalus arundinaceus compared with Erysiphe adunca

Key Differences

• Great Reed Warbler is Critically Endangered while Willow Mildew is Not Evaluated.

Taxonomic Classification

Rank	Great Reed Warbler	Willow Mildew
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Aves (Birds)	Leotiomycetes (Leotiomycetes)
Order	Passeriformes (Songbirds)	Helotiales (Helotiales)
Family	Acrocephalidae	Erysiphaceae
Genus	Acrocephalus	Erysiphe
Species	Acrocephalus arundinaceus	Erysiphe adunca

Conservation Status

Great Reed Warbler

CR — Critically Endangered

Willow Mildew

NE — Not Evaluated

Physical Characteristics

Attribute	Great Reed Warbler	Willow Mildew
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.

Willow Mildew

Habitat

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

Range

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

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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden