Black-Based Cluster Fly vs Eurasian water shrew

Pollenia labialis compared with Neomys fodiens

Key Differences

• Black-Based Cluster Fly is Least Concern while Eurasian water shrew is Endangered.

Taxonomic Classification

Rank	Black-Based Cluster Fly	Eurasian water shrew
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Diptera (Diptera)	Soricomorpha (Soricomorpha)
Family	Polleniidae	Soricidae
Genus	Pollenia	Neomys
Species	Pollenia labialis	Neomys fodiens

Evolutionary Relationship

Black-Based Cluster Fly and Eurasian water shrew share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-Based Cluster Fly

LC — Least Concern

Eurasian water shrew

EN — Endangered

Physical Characteristics

Attribute	Black-Based Cluster Fly	Eurasian water shrew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-Based Cluster Fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Eurasian water shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-Based Cluster Fly

The Black-Based Cluster Fly (Pollenia labialis) is a species in the genus Pollenia. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Eurasian water shrew

Eurasian water shrew (Neomys fodiens) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden