Common Grasshopper-Warbler vs Great Reed Warbler

Locustella naevia compared with Acrocephalus arundinaceus

Key Differences

• Common Grasshopper-Warbler is Least Concern while Great Reed Warbler is Critically Endangered.

Taxonomic Classification

Rank	Common Grasshopper-Warbler	Great Reed Warbler
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Passeriformes (Songbirds)	Passeriformes (Songbirds)
Family	Locustellidae	Acrocephalidae
Genus	Locustella	Acrocephalus
Species	Locustella naevia	Acrocephalus arundinaceus

Evolutionary Relationship

Common Grasshopper-Warbler and Great Reed Warbler share a common ancestor at the Order level: Passeriformes. (Songbirds)

Conservation Status

Common Grasshopper-Warbler

LC — Least Concern

Great Reed Warbler

CR — Critically Endangered

Physical Characteristics

Attribute	Common Grasshopper-Warbler	Great Reed Warbler
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Grasshopper-Warbler

Habitat

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

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

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.

Common Grasshopper-Warbler

Common Grasshopper-Warbler (Locustella naevia) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇱🇺 Luxembourg 🇳🇴 Norway 🇸🇪 Sweden