Great Reed Warbler vs thin-necked bladderworm

Acrocephalus arundinaceus compared with Taenia hydatigena

Key Differences

• Great Reed Warbler is Critically Endangered while thin-necked bladderworm is Not Evaluated.

Taxonomic Classification

Rank	Great Reed Warbler	thin-necked bladderworm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Platyhelminthes (Platyhelminthes)
Class	Aves (Birds)	Cestoda (Cestoda)
Order	Passeriformes (Songbirds)	Cyclophyllidea (Cyclophyllidea)
Family	Acrocephalidae	Taeniidae
Genus	Acrocephalus	Taenia
Species	Acrocephalus arundinaceus	Taenia hydatigena

Evolutionary Relationship

Great Reed Warbler and thin-necked bladderworm share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Great Reed Warbler

CR — Critically Endangered

thin-necked bladderworm

NE — Not Evaluated

Physical Characteristics

Attribute	Great Reed Warbler	thin-necked bladderworm
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.

thin-necked bladderworm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, 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 2 countries:

🇳🇴 Norway 🇸🇪 Sweden