Great Reed Warbler vs Oak Crust

Acrocephalus arundinaceus compared with Peniophora quercina

Key Differences

• Great Reed Warbler is Critically Endangered while Oak Crust is Least Concern.

Taxonomic Classification

Rank	Great Reed Warbler	Oak Crust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Aves (Birds)	Agaricomycetes (Mushrooms)
Order	Passeriformes (Songbirds)	Russulales (Russulales)
Family	Acrocephalidae	Peniophoraceae
Genus	Acrocephalus	Peniophora
Species	Acrocephalus arundinaceus	Peniophora quercina

Conservation Status

Great Reed Warbler

CR — Critically Endangered

Oak Crust

LC — Least Concern

Physical Characteristics

Attribute	Great Reed Warbler	Oak Crust
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.

Oak Crust

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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