Common Grasshopper-Warbler vs Eurasian River Warbler

Locustella naevia compared with Locustella fluviatilis

Key Differences

• Common Grasshopper-Warbler is Least Concern while Eurasian River Warbler is Near Threatened.

Taxonomic Classification

Rank	Common Grasshopper-Warbler	Eurasian River Warbler
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Aves (นก)	Aves (นก)
Order same	Passeriformes (นกเกาะคอน)	Passeriformes (นกเกาะคอน)
Family same	Locustellidae	Locustellidae
Genus same	Locustella	Locustella
Species	Locustella naevia	Locustella fluviatilis

Evolutionary Relationship

Common Grasshopper-Warbler and Eurasian River Warbler share a common ancestor at the Genus level: Locustella.

Conservation Status

Common Grasshopper-Warbler

LC — Least Concern

Eurasian River Warbler

NT — Near Threatened

Physical Characteristics

Attribute	Common Grasshopper-Warbler	Eurasian River 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.

Eurasian River Warbler

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden