Bayer's emerald bottle fly vs Brown Rat

Bellardia bayeri compared with Rattus norvegicus

Key Differences

• Bayer's emerald bottle fly is Not Evaluated while Brown Rat is Least Concern.

Taxonomic Classification

Rank	Bayer's emerald bottle fly	Brown Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Diptera (Diptera)	Rodentia (Rodents)
Family	Calliphoridae	Muridae (Mice & Rats)
Genus	Bellardia	Rattus
Species	Bellardia bayeri	Rattus norvegicus

Evolutionary Relationship

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

Conservation Status

Bayer's emerald bottle fly

NE — Not Evaluated

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Bayer's emerald bottle fly	Brown Rat
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.

Brown Rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

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.

Brown Rat

Brown Rat (Rattus norvegicus) 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 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States