Bayer's emerald bottle fly vs Eurasian beaver

Bellardia bayeri compared with Castor fiber

Key Differences

• Bayer's emerald bottle fly is Not Evaluated while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Bayer's emerald bottle fly	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Diptera (Diptera)	Rodentia (Rodents)
Family	Calliphoridae	Castoridae (Beavers)
Genus	Bellardia	Castor (Beavers)
Species	Bellardia bayeri	Castor fiber

Evolutionary Relationship

Bayer's emerald bottle fly and Eurasian beaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bayer's emerald bottle fly

NE — Not Evaluated

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Bayer's emerald bottle fly	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bayer's emerald bottle fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Sweden, and United States.

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.

Bayer's emerald bottle fly

The Bayer's emerald bottle fly (Bellardia bayeri) is a species in the genus Bellardia. Typically found in virtually all terrestrial and freshwater habitats.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden