Brown Rat vs Mascarene Teal

Rattus norvegicus compared with Anas theodori

Key Differences

• Brown Rat is Least Concern while Mascarene Teal is Extinct.

Taxonomic Classification

Rank	Brown Rat	Mascarene Teal
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Anseriformes (Anseriformes)
Family	Muridae (Mice & Rats)	Anatidae
Genus	Rattus	Anas
Species	Rattus norvegicus	Anas theodori

Evolutionary Relationship

Brown Rat and Mascarene Teal share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown Rat

LC — Least Concern

Mascarene Teal

EX — Extinct

Physical Characteristics

Attribute	Brown Rat	Mascarene Teal
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Mascarene Teal

Habitat

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

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.