Blue Flag vs Brown Rat

Iris virginica compared with Rattus norvegicus

Taxonomic Classification

Rank	Blue Flag	Brown Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Mantodea (Mantodea)	Rodentia (Rodents)
Family	Eremiaphilidae	Muridae (Mice & Rats)
Genus	Iris	Rattus
Species	Iris virginica	Rattus norvegicus

Evolutionary Relationship

Blue Flag and Brown Rat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blue Flag

LC — Least Concern

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Blue Flag	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue Flag

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Taiwan 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).

Blue Flag

The Blue Flag (Iris virginica) is a species in the genus Iris. It is currently classified as Least Concern on the IUCN Red List. 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 2 countries:

🇹🇼 Taiwan 🇺🇸 United States