Dark Crottle vs Great Reed Warbler

Hypogymnia physodes compared with Acrocephalus arundinaceus

Key Differences

• Dark Crottle is Least Concern while Great Reed Warbler is Critically Endangered.

Taxonomic Classification

Rank	Dark Crottle	Great Reed Warbler
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Aves (Birds)
Order	Lecanorales (Lecanorales)	Passeriformes (Songbirds)
Family	Parmeliaceae	Acrocephalidae
Genus	Hypogymnia	Acrocephalus
Species	Hypogymnia physodes	Acrocephalus arundinaceus

Conservation Status

Dark Crottle

LC — Least Concern

Great Reed Warbler

CR — Critically Endangered

Physical Characteristics

Attribute	Dark Crottle	Great Reed Warbler
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dark Crottle

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (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