Great Reed Warbler vs Redhead

Acrocephalus arundinaceus compared with Aythya americana

Key Differences

• Great Reed Warbler is Critically Endangered while Redhead is Not Evaluated.

Taxonomic Classification

Rank	Great Reed Warbler	Redhead
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Passeriformes (Songbirds)	Anseriformes (Anseriformes)
Family	Acrocephalidae	Anatidae
Genus	Acrocephalus	Aythya
Species	Acrocephalus arundinaceus	Aythya americana

Evolutionary Relationship

Great Reed Warbler and Redhead share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Great Reed Warbler

CR — Critically Endangered

Redhead

NE — Not Evaluated

Physical Characteristics

Attribute	Great Reed Warbler	Redhead
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.

Redhead

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (7 countries) and North America (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.

Redhead

Redhead (Aythya americana) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden