Common Grasshopper-Warbler vs Eurasian beaver

Locustella naevia compared with Castor fiber

Key Differences

• Common Grasshopper-Warbler is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Common Grasshopper-Warbler	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Rodentia (Rodents)
Family	Locustellidae	Castoridae (Beavers)
Genus	Locustella	Castor (Beavers)
Species	Locustella naevia	Castor fiber

Evolutionary Relationship

Common Grasshopper-Warbler and Eurasian beaver share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Grasshopper-Warbler

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Common Grasshopper-Warbler	Eurasian beaver
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 beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable 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.

Eurasian beaver

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 4 countries:

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