Eurasian beaver vs Muscoid fly

Castor fiber compared with Delia fabricii

Key Differences

• Eurasian beaver is Vulnerable while Muscoid fly is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Muscoid fly
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Diptera (Diptera)
Family	Castoridae (Beavers)	Anthomyiidae
Genus	Castor (Beavers)	Delia
Species	Castor fiber	Delia fabricii

Evolutionary Relationship

Eurasian beaver and Muscoid fly share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Muscoid fly

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Muscoid fly
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Muscoid fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Norway, Sweden, and United States.

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 2 countries:

🇳🇴 Norway 🇸🇪 Sweden