Black-Based Cluster Fly vs Marsh Warbler/Eurasian Reed Warbler

Pollenia labialis compared with Acrocephalus palustris

Taxonomic Classification

Rank	Black-Based Cluster Fly	Marsh Warbler/Eurasian Reed Warbler
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Diptera (Diptera)	Passeriformes (Songbirds)
Family	Polleniidae	Acrocephalidae
Genus	Pollenia	Acrocephalus
Species	Pollenia labialis	Acrocephalus palustris

Evolutionary Relationship

Black-Based Cluster Fly and Marsh Warbler/Eurasian Reed Warbler share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-Based Cluster Fly

LC — Least Concern

Marsh Warbler/Eurasian Reed Warbler

LC — Least Concern

Physical Characteristics

Attribute	Black-Based Cluster Fly	Marsh Warbler/Eurasian Reed Warbler
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.

Marsh Warbler/Eurasian Reed Warbler

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Marsh Warbler/Eurasian Reed Warbler

Marsh Warbler/Eurasian Reed Warbler (Acrocephalus palustris) 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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden